[1] | 1 | <?php |
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| 2 | /** |
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| 3 | * @package JAMA |
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| 4 | */ |
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| 5 | |
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| 6 | /** PHPExcel root directory */ |
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| 7 | if (!defined('PHPEXCEL_ROOT')) { |
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| 8 | /** |
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| 9 | * @ignore |
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| 10 | */ |
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| 11 | define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../../'); |
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| 12 | require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); |
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| 13 | } |
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| 14 | |
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| 15 | |
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| 16 | /* |
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| 17 | * Matrix class |
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| 18 | * |
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| 19 | * @author Paul Meagher |
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| 20 | * @author Michael Bommarito |
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| 21 | * @author Lukasz Karapuda |
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| 22 | * @author Bartek Matosiuk |
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| 23 | * @version 1.8 |
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| 24 | * @license PHP v3.0 |
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| 25 | * @see http://math.nist.gov/javanumerics/jama/ |
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| 26 | */ |
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| 27 | class PHPExcel_Shared_JAMA_Matrix { |
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| 28 | |
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| 29 | |
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| 30 | const PolymorphicArgumentException = "Invalid argument pattern for polymorphic function."; |
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| 31 | const ArgumentTypeException = "Invalid argument type."; |
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| 32 | const ArgumentBoundsException = "Invalid argument range."; |
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| 33 | const MatrixDimensionException = "Matrix dimensions are not equal."; |
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| 34 | const ArrayLengthException = "Array length must be a multiple of m."; |
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| 35 | |
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| 36 | /** |
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| 37 | * Matrix storage |
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| 38 | * |
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| 39 | * @var array |
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| 40 | * @access public |
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| 41 | */ |
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| 42 | public $A = array(); |
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| 43 | |
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| 44 | /** |
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| 45 | * Matrix row dimension |
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| 46 | * |
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| 47 | * @var int |
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| 48 | * @access private |
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| 49 | */ |
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| 50 | private $m; |
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| 51 | |
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| 52 | /** |
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| 53 | * Matrix column dimension |
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| 54 | * |
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| 55 | * @var int |
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| 56 | * @access private |
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| 57 | */ |
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| 58 | private $n; |
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| 59 | |
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| 60 | |
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| 61 | /** |
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| 62 | * Polymorphic constructor |
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| 63 | * |
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| 64 | * As PHP has no support for polymorphic constructors, we hack our own sort of polymorphism using func_num_args, func_get_arg, and gettype. In essence, we're just implementing a simple RTTI filter and calling the appropriate constructor. |
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| 65 | */ |
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| 66 | public function __construct() { |
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| 67 | if (func_num_args() > 0) { |
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| 68 | $args = func_get_args(); |
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| 69 | $match = implode(",", array_map('gettype', $args)); |
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| 70 | |
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| 71 | switch($match) { |
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| 72 | //Rectangular matrix - m x n initialized from 2D array |
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| 73 | case 'array': |
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| 74 | $this->m = count($args[0]); |
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| 75 | $this->n = count($args[0][0]); |
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| 76 | $this->A = $args[0]; |
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| 77 | break; |
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| 78 | //Square matrix - n x n |
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| 79 | case 'integer': |
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| 80 | $this->m = $args[0]; |
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| 81 | $this->n = $args[0]; |
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| 82 | $this->A = array_fill(0, $this->m, array_fill(0, $this->n, 0)); |
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| 83 | break; |
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| 84 | //Rectangular matrix - m x n |
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| 85 | case 'integer,integer': |
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| 86 | $this->m = $args[0]; |
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| 87 | $this->n = $args[1]; |
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| 88 | $this->A = array_fill(0, $this->m, array_fill(0, $this->n, 0)); |
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| 89 | break; |
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| 90 | //Rectangular matrix - m x n initialized from packed array |
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| 91 | case 'array,integer': |
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| 92 | $this->m = $args[1]; |
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| 93 | if ($this->m != 0) { |
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| 94 | $this->n = count($args[0]) / $this->m; |
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| 95 | } else { |
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| 96 | $this->n = 0; |
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| 97 | } |
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| 98 | if (($this->m * $this->n) == count($args[0])) { |
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| 99 | for($i = 0; $i < $this->m; ++$i) { |
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| 100 | for($j = 0; $j < $this->n; ++$j) { |
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| 101 | $this->A[$i][$j] = $args[0][$i + $j * $this->m]; |
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| 102 | } |
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| 103 | } |
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| 104 | } else { |
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| 105 | throw new PHPExcel_Calculation_Exception(self::ArrayLengthException); |
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| 106 | } |
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| 107 | break; |
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| 108 | default: |
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| 109 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
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| 110 | break; |
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| 111 | } |
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| 112 | } else { |
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| 113 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
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| 114 | } |
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| 115 | } // function __construct() |
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| 116 | |
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| 117 | |
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| 118 | /** |
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| 119 | * getArray |
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| 120 | * |
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| 121 | * @return array Matrix array |
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| 122 | */ |
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| 123 | public function getArray() { |
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| 124 | return $this->A; |
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| 125 | } // function getArray() |
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| 126 | |
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| 127 | |
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| 128 | /** |
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| 129 | * getRowDimension |
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| 130 | * |
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| 131 | * @return int Row dimension |
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| 132 | */ |
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| 133 | public function getRowDimension() { |
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| 134 | return $this->m; |
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| 135 | } // function getRowDimension() |
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| 136 | |
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| 137 | |
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| 138 | /** |
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| 139 | * getColumnDimension |
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| 140 | * |
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| 141 | * @return int Column dimension |
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| 142 | */ |
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| 143 | public function getColumnDimension() { |
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| 144 | return $this->n; |
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| 145 | } // function getColumnDimension() |
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| 146 | |
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| 147 | |
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| 148 | /** |
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| 149 | * get |
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| 150 | * |
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| 151 | * Get the i,j-th element of the matrix. |
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| 152 | * @param int $i Row position |
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| 153 | * @param int $j Column position |
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| 154 | * @return mixed Element (int/float/double) |
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| 155 | */ |
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| 156 | public function get($i = null, $j = null) { |
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| 157 | return $this->A[$i][$j]; |
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| 158 | } // function get() |
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| 159 | |
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| 160 | |
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| 161 | /** |
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| 162 | * getMatrix |
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| 163 | * |
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| 164 | * Get a submatrix |
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| 165 | * @param int $i0 Initial row index |
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| 166 | * @param int $iF Final row index |
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| 167 | * @param int $j0 Initial column index |
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| 168 | * @param int $jF Final column index |
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| 169 | * @return Matrix Submatrix |
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| 170 | */ |
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| 171 | public function getMatrix() { |
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| 172 | if (func_num_args() > 0) { |
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| 173 | $args = func_get_args(); |
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| 174 | $match = implode(",", array_map('gettype', $args)); |
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| 175 | |
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| 176 | switch($match) { |
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| 177 | //A($i0...; $j0...) |
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| 178 | case 'integer,integer': |
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| 179 | list($i0, $j0) = $args; |
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| 180 | if ($i0 >= 0) { $m = $this->m - $i0; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 181 | if ($j0 >= 0) { $n = $this->n - $j0; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 182 | $R = new PHPExcel_Shared_JAMA_Matrix($m, $n); |
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| 183 | for($i = $i0; $i < $this->m; ++$i) { |
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| 184 | for($j = $j0; $j < $this->n; ++$j) { |
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| 185 | $R->set($i, $j, $this->A[$i][$j]); |
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| 186 | } |
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| 187 | } |
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| 188 | return $R; |
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| 189 | break; |
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| 190 | //A($i0...$iF; $j0...$jF) |
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| 191 | case 'integer,integer,integer,integer': |
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| 192 | list($i0, $iF, $j0, $jF) = $args; |
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| 193 | if (($iF > $i0) && ($this->m >= $iF) && ($i0 >= 0)) { $m = $iF - $i0; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 194 | if (($jF > $j0) && ($this->n >= $jF) && ($j0 >= 0)) { $n = $jF - $j0; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 195 | $R = new PHPExcel_Shared_JAMA_Matrix($m+1, $n+1); |
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| 196 | for($i = $i0; $i <= $iF; ++$i) { |
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| 197 | for($j = $j0; $j <= $jF; ++$j) { |
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| 198 | $R->set($i - $i0, $j - $j0, $this->A[$i][$j]); |
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| 199 | } |
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| 200 | } |
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| 201 | return $R; |
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| 202 | break; |
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| 203 | //$R = array of row indices; $C = array of column indices |
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| 204 | case 'array,array': |
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| 205 | list($RL, $CL) = $args; |
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| 206 | if (count($RL) > 0) { $m = count($RL); } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 207 | if (count($CL) > 0) { $n = count($CL); } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 208 | $R = new PHPExcel_Shared_JAMA_Matrix($m, $n); |
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| 209 | for($i = 0; $i < $m; ++$i) { |
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| 210 | for($j = 0; $j < $n; ++$j) { |
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| 211 | $R->set($i - $i0, $j - $j0, $this->A[$RL[$i]][$CL[$j]]); |
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| 212 | } |
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| 213 | } |
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| 214 | return $R; |
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| 215 | break; |
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| 216 | //$RL = array of row indices; $CL = array of column indices |
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| 217 | case 'array,array': |
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| 218 | list($RL, $CL) = $args; |
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| 219 | if (count($RL) > 0) { $m = count($RL); } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 220 | if (count($CL) > 0) { $n = count($CL); } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 221 | $R = new PHPExcel_Shared_JAMA_Matrix($m, $n); |
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| 222 | for($i = 0; $i < $m; ++$i) { |
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| 223 | for($j = 0; $j < $n; ++$j) { |
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| 224 | $R->set($i, $j, $this->A[$RL[$i]][$CL[$j]]); |
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| 225 | } |
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| 226 | } |
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| 227 | return $R; |
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| 228 | break; |
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| 229 | //A($i0...$iF); $CL = array of column indices |
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| 230 | case 'integer,integer,array': |
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| 231 | list($i0, $iF, $CL) = $args; |
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| 232 | if (($iF > $i0) && ($this->m >= $iF) && ($i0 >= 0)) { $m = $iF - $i0; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 233 | if (count($CL) > 0) { $n = count($CL); } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 234 | $R = new PHPExcel_Shared_JAMA_Matrix($m, $n); |
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| 235 | for($i = $i0; $i < $iF; ++$i) { |
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| 236 | for($j = 0; $j < $n; ++$j) { |
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| 237 | $R->set($i - $i0, $j, $this->A[$RL[$i]][$j]); |
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| 238 | } |
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| 239 | } |
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| 240 | return $R; |
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| 241 | break; |
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| 242 | //$RL = array of row indices |
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| 243 | case 'array,integer,integer': |
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| 244 | list($RL, $j0, $jF) = $args; |
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| 245 | if (count($RL) > 0) { $m = count($RL); } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 246 | if (($jF >= $j0) && ($this->n >= $jF) && ($j0 >= 0)) { $n = $jF - $j0; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentBoundsException); } |
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| 247 | $R = new PHPExcel_Shared_JAMA_Matrix($m, $n+1); |
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| 248 | for($i = 0; $i < $m; ++$i) { |
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| 249 | for($j = $j0; $j <= $jF; ++$j) { |
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| 250 | $R->set($i, $j - $j0, $this->A[$RL[$i]][$j]); |
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| 251 | } |
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| 252 | } |
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| 253 | return $R; |
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| 254 | break; |
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| 255 | default: |
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| 256 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
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| 257 | break; |
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| 258 | } |
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| 259 | } else { |
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| 260 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
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| 261 | } |
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| 262 | } // function getMatrix() |
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| 263 | |
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| 264 | |
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| 265 | /** |
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| 266 | * checkMatrixDimensions |
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| 267 | * |
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| 268 | * Is matrix B the same size? |
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| 269 | * @param Matrix $B Matrix B |
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| 270 | * @return boolean |
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| 271 | */ |
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| 272 | public function checkMatrixDimensions($B = null) { |
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| 273 | if ($B instanceof PHPExcel_Shared_JAMA_Matrix) { |
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| 274 | if (($this->m == $B->getRowDimension()) && ($this->n == $B->getColumnDimension())) { |
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| 275 | return true; |
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| 276 | } else { |
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| 277 | throw new PHPExcel_Calculation_Exception(self::MatrixDimensionException); |
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| 278 | } |
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| 279 | } else { |
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| 280 | throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); |
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| 281 | } |
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| 282 | } // function checkMatrixDimensions() |
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| 283 | |
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| 284 | |
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| 285 | |
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| 286 | /** |
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| 287 | * set |
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| 288 | * |
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| 289 | * Set the i,j-th element of the matrix. |
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| 290 | * @param int $i Row position |
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| 291 | * @param int $j Column position |
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| 292 | * @param mixed $c Int/float/double value |
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| 293 | * @return mixed Element (int/float/double) |
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| 294 | */ |
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| 295 | public function set($i = null, $j = null, $c = null) { |
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| 296 | // Optimized set version just has this |
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| 297 | $this->A[$i][$j] = $c; |
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| 298 | } // function set() |
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| 299 | |
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| 300 | |
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| 301 | /** |
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| 302 | * identity |
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| 303 | * |
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| 304 | * Generate an identity matrix. |
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| 305 | * @param int $m Row dimension |
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| 306 | * @param int $n Column dimension |
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| 307 | * @return Matrix Identity matrix |
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| 308 | */ |
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| 309 | public function identity($m = null, $n = null) { |
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| 310 | return $this->diagonal($m, $n, 1); |
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| 311 | } // function identity() |
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| 312 | |
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| 313 | |
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| 314 | /** |
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| 315 | * diagonal |
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| 316 | * |
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| 317 | * Generate a diagonal matrix |
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| 318 | * @param int $m Row dimension |
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| 319 | * @param int $n Column dimension |
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| 320 | * @param mixed $c Diagonal value |
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| 321 | * @return Matrix Diagonal matrix |
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| 322 | */ |
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| 323 | public function diagonal($m = null, $n = null, $c = 1) { |
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| 324 | $R = new PHPExcel_Shared_JAMA_Matrix($m, $n); |
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| 325 | for($i = 0; $i < $m; ++$i) { |
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| 326 | $R->set($i, $i, $c); |
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| 327 | } |
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| 328 | return $R; |
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| 329 | } // function diagonal() |
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| 330 | |
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| 331 | |
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| 332 | /** |
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| 333 | * getMatrixByRow |
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| 334 | * |
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| 335 | * Get a submatrix by row index/range |
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| 336 | * @param int $i0 Initial row index |
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| 337 | * @param int $iF Final row index |
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| 338 | * @return Matrix Submatrix |
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| 339 | */ |
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| 340 | public function getMatrixByRow($i0 = null, $iF = null) { |
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| 341 | if (is_int($i0)) { |
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| 342 | if (is_int($iF)) { |
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| 343 | return $this->getMatrix($i0, 0, $iF + 1, $this->n); |
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| 344 | } else { |
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| 345 | return $this->getMatrix($i0, 0, $i0 + 1, $this->n); |
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| 346 | } |
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| 347 | } else { |
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| 348 | throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); |
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| 349 | } |
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| 350 | } // function getMatrixByRow() |
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| 351 | |
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| 352 | |
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| 353 | /** |
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| 354 | * getMatrixByCol |
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| 355 | * |
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| 356 | * Get a submatrix by column index/range |
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| 357 | * @param int $i0 Initial column index |
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| 358 | * @param int $iF Final column index |
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| 359 | * @return Matrix Submatrix |
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| 360 | */ |
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| 361 | public function getMatrixByCol($j0 = null, $jF = null) { |
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| 362 | if (is_int($j0)) { |
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| 363 | if (is_int($jF)) { |
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| 364 | return $this->getMatrix(0, $j0, $this->m, $jF + 1); |
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| 365 | } else { |
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| 366 | return $this->getMatrix(0, $j0, $this->m, $j0 + 1); |
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| 367 | } |
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| 368 | } else { |
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| 369 | throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); |
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| 370 | } |
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| 371 | } // function getMatrixByCol() |
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| 372 | |
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| 373 | |
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| 374 | /** |
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| 375 | * transpose |
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| 376 | * |
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| 377 | * Tranpose matrix |
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| 378 | * @return Matrix Transposed matrix |
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| 379 | */ |
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| 380 | public function transpose() { |
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| 381 | $R = new PHPExcel_Shared_JAMA_Matrix($this->n, $this->m); |
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| 382 | for($i = 0; $i < $this->m; ++$i) { |
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| 383 | for($j = 0; $j < $this->n; ++$j) { |
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| 384 | $R->set($j, $i, $this->A[$i][$j]); |
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| 385 | } |
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| 386 | } |
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| 387 | return $R; |
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| 388 | } // function transpose() |
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| 389 | |
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| 390 | |
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| 391 | /** |
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| 392 | * trace |
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| 393 | * |
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| 394 | * Sum of diagonal elements |
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| 395 | * @return float Sum of diagonal elements |
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| 396 | */ |
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| 397 | public function trace() { |
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| 398 | $s = 0; |
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| 399 | $n = min($this->m, $this->n); |
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| 400 | for($i = 0; $i < $n; ++$i) { |
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| 401 | $s += $this->A[$i][$i]; |
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| 402 | } |
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| 403 | return $s; |
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| 404 | } // function trace() |
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| 405 | |
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| 406 | |
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| 407 | /** |
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| 408 | * uminus |
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| 409 | * |
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| 410 | * Unary minus matrix -A |
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| 411 | * @return Matrix Unary minus matrix |
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| 412 | */ |
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| 413 | public function uminus() { |
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| 414 | } // function uminus() |
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| 415 | |
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| 416 | |
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| 417 | /** |
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| 418 | * plus |
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| 419 | * |
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| 420 | * A + B |
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| 421 | * @param mixed $B Matrix/Array |
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| 422 | * @return Matrix Sum |
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| 423 | */ |
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| 424 | public function plus() { |
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| 425 | if (func_num_args() > 0) { |
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| 426 | $args = func_get_args(); |
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| 427 | $match = implode(",", array_map('gettype', $args)); |
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| 428 | |
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| 429 | switch($match) { |
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| 430 | case 'object': |
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| 431 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
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| 432 | break; |
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| 433 | case 'array': |
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| 434 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
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| 435 | break; |
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| 436 | default: |
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| 437 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
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| 438 | break; |
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| 439 | } |
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| 440 | $this->checkMatrixDimensions($M); |
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| 441 | for($i = 0; $i < $this->m; ++$i) { |
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| 442 | for($j = 0; $j < $this->n; ++$j) { |
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| 443 | $M->set($i, $j, $M->get($i, $j) + $this->A[$i][$j]); |
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| 444 | } |
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| 445 | } |
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| 446 | return $M; |
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| 447 | } else { |
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| 448 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
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| 449 | } |
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| 450 | } // function plus() |
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| 451 | |
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| 452 | |
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| 453 | /** |
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| 454 | * plusEquals |
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| 455 | * |
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| 456 | * A = A + B |
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| 457 | * @param mixed $B Matrix/Array |
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| 458 | * @return Matrix Sum |
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| 459 | */ |
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| 460 | public function plusEquals() { |
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| 461 | if (func_num_args() > 0) { |
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| 462 | $args = func_get_args(); |
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| 463 | $match = implode(",", array_map('gettype', $args)); |
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| 464 | |
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| 465 | switch($match) { |
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| 466 | case 'object': |
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| 467 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
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| 468 | break; |
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| 469 | case 'array': |
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| 470 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
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| 471 | break; |
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| 472 | default: |
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| 473 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
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| 474 | break; |
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| 475 | } |
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| 476 | $this->checkMatrixDimensions($M); |
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| 477 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 478 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 479 | $validValues = True; |
---|
| 480 | $value = $M->get($i, $j); |
---|
| 481 | if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) { |
---|
| 482 | $this->A[$i][$j] = trim($this->A[$i][$j],'"'); |
---|
| 483 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]); |
---|
| 484 | } |
---|
| 485 | if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) { |
---|
| 486 | $value = trim($value,'"'); |
---|
| 487 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value); |
---|
| 488 | } |
---|
| 489 | if ($validValues) { |
---|
| 490 | $this->A[$i][$j] += $value; |
---|
| 491 | } else { |
---|
| 492 | $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN(); |
---|
| 493 | } |
---|
| 494 | } |
---|
| 495 | } |
---|
| 496 | return $this; |
---|
| 497 | } else { |
---|
| 498 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 499 | } |
---|
| 500 | } // function plusEquals() |
---|
| 501 | |
---|
| 502 | |
---|
| 503 | /** |
---|
| 504 | * minus |
---|
| 505 | * |
---|
| 506 | * A - B |
---|
| 507 | * @param mixed $B Matrix/Array |
---|
| 508 | * @return Matrix Sum |
---|
| 509 | */ |
---|
| 510 | public function minus() { |
---|
| 511 | if (func_num_args() > 0) { |
---|
| 512 | $args = func_get_args(); |
---|
| 513 | $match = implode(",", array_map('gettype', $args)); |
---|
| 514 | |
---|
| 515 | switch($match) { |
---|
| 516 | case 'object': |
---|
| 517 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 518 | break; |
---|
| 519 | case 'array': |
---|
| 520 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 521 | break; |
---|
| 522 | default: |
---|
| 523 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 524 | break; |
---|
| 525 | } |
---|
| 526 | $this->checkMatrixDimensions($M); |
---|
| 527 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 528 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 529 | $M->set($i, $j, $M->get($i, $j) - $this->A[$i][$j]); |
---|
| 530 | } |
---|
| 531 | } |
---|
| 532 | return $M; |
---|
| 533 | } else { |
---|
| 534 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 535 | } |
---|
| 536 | } // function minus() |
---|
| 537 | |
---|
| 538 | |
---|
| 539 | /** |
---|
| 540 | * minusEquals |
---|
| 541 | * |
---|
| 542 | * A = A - B |
---|
| 543 | * @param mixed $B Matrix/Array |
---|
| 544 | * @return Matrix Sum |
---|
| 545 | */ |
---|
| 546 | public function minusEquals() { |
---|
| 547 | if (func_num_args() > 0) { |
---|
| 548 | $args = func_get_args(); |
---|
| 549 | $match = implode(",", array_map('gettype', $args)); |
---|
| 550 | |
---|
| 551 | switch($match) { |
---|
| 552 | case 'object': |
---|
| 553 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 554 | break; |
---|
| 555 | case 'array': |
---|
| 556 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 557 | break; |
---|
| 558 | default: |
---|
| 559 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 560 | break; |
---|
| 561 | } |
---|
| 562 | $this->checkMatrixDimensions($M); |
---|
| 563 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 564 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 565 | $validValues = True; |
---|
| 566 | $value = $M->get($i, $j); |
---|
| 567 | if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) { |
---|
| 568 | $this->A[$i][$j] = trim($this->A[$i][$j],'"'); |
---|
| 569 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]); |
---|
| 570 | } |
---|
| 571 | if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) { |
---|
| 572 | $value = trim($value,'"'); |
---|
| 573 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value); |
---|
| 574 | } |
---|
| 575 | if ($validValues) { |
---|
| 576 | $this->A[$i][$j] -= $value; |
---|
| 577 | } else { |
---|
| 578 | $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN(); |
---|
| 579 | } |
---|
| 580 | } |
---|
| 581 | } |
---|
| 582 | return $this; |
---|
| 583 | } else { |
---|
| 584 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 585 | } |
---|
| 586 | } // function minusEquals() |
---|
| 587 | |
---|
| 588 | |
---|
| 589 | /** |
---|
| 590 | * arrayTimes |
---|
| 591 | * |
---|
| 592 | * Element-by-element multiplication |
---|
| 593 | * Cij = Aij * Bij |
---|
| 594 | * @param mixed $B Matrix/Array |
---|
| 595 | * @return Matrix Matrix Cij |
---|
| 596 | */ |
---|
| 597 | public function arrayTimes() { |
---|
| 598 | if (func_num_args() > 0) { |
---|
| 599 | $args = func_get_args(); |
---|
| 600 | $match = implode(",", array_map('gettype', $args)); |
---|
| 601 | |
---|
| 602 | switch($match) { |
---|
| 603 | case 'object': |
---|
| 604 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 605 | break; |
---|
| 606 | case 'array': |
---|
| 607 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 608 | break; |
---|
| 609 | default: |
---|
| 610 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 611 | break; |
---|
| 612 | } |
---|
| 613 | $this->checkMatrixDimensions($M); |
---|
| 614 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 615 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 616 | $M->set($i, $j, $M->get($i, $j) * $this->A[$i][$j]); |
---|
| 617 | } |
---|
| 618 | } |
---|
| 619 | return $M; |
---|
| 620 | } else { |
---|
| 621 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 622 | } |
---|
| 623 | } // function arrayTimes() |
---|
| 624 | |
---|
| 625 | |
---|
| 626 | /** |
---|
| 627 | * arrayTimesEquals |
---|
| 628 | * |
---|
| 629 | * Element-by-element multiplication |
---|
| 630 | * Aij = Aij * Bij |
---|
| 631 | * @param mixed $B Matrix/Array |
---|
| 632 | * @return Matrix Matrix Aij |
---|
| 633 | */ |
---|
| 634 | public function arrayTimesEquals() { |
---|
| 635 | if (func_num_args() > 0) { |
---|
| 636 | $args = func_get_args(); |
---|
| 637 | $match = implode(",", array_map('gettype', $args)); |
---|
| 638 | |
---|
| 639 | switch($match) { |
---|
| 640 | case 'object': |
---|
| 641 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 642 | break; |
---|
| 643 | case 'array': |
---|
| 644 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 645 | break; |
---|
| 646 | default: |
---|
| 647 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 648 | break; |
---|
| 649 | } |
---|
| 650 | $this->checkMatrixDimensions($M); |
---|
| 651 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 652 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 653 | $validValues = True; |
---|
| 654 | $value = $M->get($i, $j); |
---|
| 655 | if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) { |
---|
| 656 | $this->A[$i][$j] = trim($this->A[$i][$j],'"'); |
---|
| 657 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]); |
---|
| 658 | } |
---|
| 659 | if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) { |
---|
| 660 | $value = trim($value,'"'); |
---|
| 661 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value); |
---|
| 662 | } |
---|
| 663 | if ($validValues) { |
---|
| 664 | $this->A[$i][$j] *= $value; |
---|
| 665 | } else { |
---|
| 666 | $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN(); |
---|
| 667 | } |
---|
| 668 | } |
---|
| 669 | } |
---|
| 670 | return $this; |
---|
| 671 | } else { |
---|
| 672 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 673 | } |
---|
| 674 | } // function arrayTimesEquals() |
---|
| 675 | |
---|
| 676 | |
---|
| 677 | /** |
---|
| 678 | * arrayRightDivide |
---|
| 679 | * |
---|
| 680 | * Element-by-element right division |
---|
| 681 | * A / B |
---|
| 682 | * @param Matrix $B Matrix B |
---|
| 683 | * @return Matrix Division result |
---|
| 684 | */ |
---|
| 685 | public function arrayRightDivide() { |
---|
| 686 | if (func_num_args() > 0) { |
---|
| 687 | $args = func_get_args(); |
---|
| 688 | $match = implode(",", array_map('gettype', $args)); |
---|
| 689 | |
---|
| 690 | switch($match) { |
---|
| 691 | case 'object': |
---|
| 692 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 693 | break; |
---|
| 694 | case 'array': |
---|
| 695 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 696 | break; |
---|
| 697 | default: |
---|
| 698 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 699 | break; |
---|
| 700 | } |
---|
| 701 | $this->checkMatrixDimensions($M); |
---|
| 702 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 703 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 704 | $validValues = True; |
---|
| 705 | $value = $M->get($i, $j); |
---|
| 706 | if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) { |
---|
| 707 | $this->A[$i][$j] = trim($this->A[$i][$j],'"'); |
---|
| 708 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]); |
---|
| 709 | } |
---|
| 710 | if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) { |
---|
| 711 | $value = trim($value,'"'); |
---|
| 712 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value); |
---|
| 713 | } |
---|
| 714 | if ($validValues) { |
---|
| 715 | if ($value == 0) { |
---|
| 716 | // Trap for Divide by Zero error |
---|
| 717 | $M->set($i, $j, '#DIV/0!'); |
---|
| 718 | } else { |
---|
| 719 | $M->set($i, $j, $this->A[$i][$j] / $value); |
---|
| 720 | } |
---|
| 721 | } else { |
---|
| 722 | $M->set($i, $j, PHPExcel_Calculation_Functions::NaN()); |
---|
| 723 | } |
---|
| 724 | } |
---|
| 725 | } |
---|
| 726 | return $M; |
---|
| 727 | } else { |
---|
| 728 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 729 | } |
---|
| 730 | } // function arrayRightDivide() |
---|
| 731 | |
---|
| 732 | |
---|
| 733 | /** |
---|
| 734 | * arrayRightDivideEquals |
---|
| 735 | * |
---|
| 736 | * Element-by-element right division |
---|
| 737 | * Aij = Aij / Bij |
---|
| 738 | * @param mixed $B Matrix/Array |
---|
| 739 | * @return Matrix Matrix Aij |
---|
| 740 | */ |
---|
| 741 | public function arrayRightDivideEquals() { |
---|
| 742 | if (func_num_args() > 0) { |
---|
| 743 | $args = func_get_args(); |
---|
| 744 | $match = implode(",", array_map('gettype', $args)); |
---|
| 745 | |
---|
| 746 | switch($match) { |
---|
| 747 | case 'object': |
---|
| 748 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 749 | break; |
---|
| 750 | case 'array': |
---|
| 751 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 752 | break; |
---|
| 753 | default: |
---|
| 754 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 755 | break; |
---|
| 756 | } |
---|
| 757 | $this->checkMatrixDimensions($M); |
---|
| 758 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 759 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 760 | $this->A[$i][$j] = $this->A[$i][$j] / $M->get($i, $j); |
---|
| 761 | } |
---|
| 762 | } |
---|
| 763 | return $M; |
---|
| 764 | } else { |
---|
| 765 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 766 | } |
---|
| 767 | } // function arrayRightDivideEquals() |
---|
| 768 | |
---|
| 769 | |
---|
| 770 | /** |
---|
| 771 | * arrayLeftDivide |
---|
| 772 | * |
---|
| 773 | * Element-by-element Left division |
---|
| 774 | * A / B |
---|
| 775 | * @param Matrix $B Matrix B |
---|
| 776 | * @return Matrix Division result |
---|
| 777 | */ |
---|
| 778 | public function arrayLeftDivide() { |
---|
| 779 | if (func_num_args() > 0) { |
---|
| 780 | $args = func_get_args(); |
---|
| 781 | $match = implode(",", array_map('gettype', $args)); |
---|
| 782 | |
---|
| 783 | switch($match) { |
---|
| 784 | case 'object': |
---|
| 785 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 786 | break; |
---|
| 787 | case 'array': |
---|
| 788 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 789 | break; |
---|
| 790 | default: |
---|
| 791 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 792 | break; |
---|
| 793 | } |
---|
| 794 | $this->checkMatrixDimensions($M); |
---|
| 795 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 796 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 797 | $M->set($i, $j, $M->get($i, $j) / $this->A[$i][$j]); |
---|
| 798 | } |
---|
| 799 | } |
---|
| 800 | return $M; |
---|
| 801 | } else { |
---|
| 802 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 803 | } |
---|
| 804 | } // function arrayLeftDivide() |
---|
| 805 | |
---|
| 806 | |
---|
| 807 | /** |
---|
| 808 | * arrayLeftDivideEquals |
---|
| 809 | * |
---|
| 810 | * Element-by-element Left division |
---|
| 811 | * Aij = Aij / Bij |
---|
| 812 | * @param mixed $B Matrix/Array |
---|
| 813 | * @return Matrix Matrix Aij |
---|
| 814 | */ |
---|
| 815 | public function arrayLeftDivideEquals() { |
---|
| 816 | if (func_num_args() > 0) { |
---|
| 817 | $args = func_get_args(); |
---|
| 818 | $match = implode(",", array_map('gettype', $args)); |
---|
| 819 | |
---|
| 820 | switch($match) { |
---|
| 821 | case 'object': |
---|
| 822 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 823 | break; |
---|
| 824 | case 'array': |
---|
| 825 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 826 | break; |
---|
| 827 | default: |
---|
| 828 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 829 | break; |
---|
| 830 | } |
---|
| 831 | $this->checkMatrixDimensions($M); |
---|
| 832 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 833 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 834 | $this->A[$i][$j] = $M->get($i, $j) / $this->A[$i][$j]; |
---|
| 835 | } |
---|
| 836 | } |
---|
| 837 | return $M; |
---|
| 838 | } else { |
---|
| 839 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 840 | } |
---|
| 841 | } // function arrayLeftDivideEquals() |
---|
| 842 | |
---|
| 843 | |
---|
| 844 | /** |
---|
| 845 | * times |
---|
| 846 | * |
---|
| 847 | * Matrix multiplication |
---|
| 848 | * @param mixed $n Matrix/Array/Scalar |
---|
| 849 | * @return Matrix Product |
---|
| 850 | */ |
---|
| 851 | public function times() { |
---|
| 852 | if (func_num_args() > 0) { |
---|
| 853 | $args = func_get_args(); |
---|
| 854 | $match = implode(",", array_map('gettype', $args)); |
---|
| 855 | |
---|
| 856 | switch($match) { |
---|
| 857 | case 'object': |
---|
| 858 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $B = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 859 | if ($this->n == $B->m) { |
---|
| 860 | $C = new PHPExcel_Shared_JAMA_Matrix($this->m, $B->n); |
---|
| 861 | for($j = 0; $j < $B->n; ++$j) { |
---|
| 862 | for ($k = 0; $k < $this->n; ++$k) { |
---|
| 863 | $Bcolj[$k] = $B->A[$k][$j]; |
---|
| 864 | } |
---|
| 865 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 866 | $Arowi = $this->A[$i]; |
---|
| 867 | $s = 0; |
---|
| 868 | for($k = 0; $k < $this->n; ++$k) { |
---|
| 869 | $s += $Arowi[$k] * $Bcolj[$k]; |
---|
| 870 | } |
---|
| 871 | $C->A[$i][$j] = $s; |
---|
| 872 | } |
---|
| 873 | } |
---|
| 874 | return $C; |
---|
| 875 | } else { |
---|
| 876 | throw new PHPExcel_Calculation_Exception(JAMAError(MatrixDimensionMismatch)); |
---|
| 877 | } |
---|
| 878 | break; |
---|
| 879 | case 'array': |
---|
| 880 | $B = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 881 | if ($this->n == $B->m) { |
---|
| 882 | $C = new PHPExcel_Shared_JAMA_Matrix($this->m, $B->n); |
---|
| 883 | for($i = 0; $i < $C->m; ++$i) { |
---|
| 884 | for($j = 0; $j < $C->n; ++$j) { |
---|
| 885 | $s = "0"; |
---|
| 886 | for($k = 0; $k < $C->n; ++$k) { |
---|
| 887 | $s += $this->A[$i][$k] * $B->A[$k][$j]; |
---|
| 888 | } |
---|
| 889 | $C->A[$i][$j] = $s; |
---|
| 890 | } |
---|
| 891 | } |
---|
| 892 | return $C; |
---|
| 893 | } else { |
---|
| 894 | throw new PHPExcel_Calculation_Exception(JAMAError(MatrixDimensionMismatch)); |
---|
| 895 | } |
---|
| 896 | return $M; |
---|
| 897 | break; |
---|
| 898 | case 'integer': |
---|
| 899 | $C = new PHPExcel_Shared_JAMA_Matrix($this->A); |
---|
| 900 | for($i = 0; $i < $C->m; ++$i) { |
---|
| 901 | for($j = 0; $j < $C->n; ++$j) { |
---|
| 902 | $C->A[$i][$j] *= $args[0]; |
---|
| 903 | } |
---|
| 904 | } |
---|
| 905 | return $C; |
---|
| 906 | break; |
---|
| 907 | case 'double': |
---|
| 908 | $C = new PHPExcel_Shared_JAMA_Matrix($this->m, $this->n); |
---|
| 909 | for($i = 0; $i < $C->m; ++$i) { |
---|
| 910 | for($j = 0; $j < $C->n; ++$j) { |
---|
| 911 | $C->A[$i][$j] = $args[0] * $this->A[$i][$j]; |
---|
| 912 | } |
---|
| 913 | } |
---|
| 914 | return $C; |
---|
| 915 | break; |
---|
| 916 | case 'float': |
---|
| 917 | $C = new PHPExcel_Shared_JAMA_Matrix($this->A); |
---|
| 918 | for($i = 0; $i < $C->m; ++$i) { |
---|
| 919 | for($j = 0; $j < $C->n; ++$j) { |
---|
| 920 | $C->A[$i][$j] *= $args[0]; |
---|
| 921 | } |
---|
| 922 | } |
---|
| 923 | return $C; |
---|
| 924 | break; |
---|
| 925 | default: |
---|
| 926 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 927 | break; |
---|
| 928 | } |
---|
| 929 | } else { |
---|
| 930 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 931 | } |
---|
| 932 | } // function times() |
---|
| 933 | |
---|
| 934 | |
---|
| 935 | /** |
---|
| 936 | * power |
---|
| 937 | * |
---|
| 938 | * A = A ^ B |
---|
| 939 | * @param mixed $B Matrix/Array |
---|
| 940 | * @return Matrix Sum |
---|
| 941 | */ |
---|
| 942 | public function power() { |
---|
| 943 | if (func_num_args() > 0) { |
---|
| 944 | $args = func_get_args(); |
---|
| 945 | $match = implode(",", array_map('gettype', $args)); |
---|
| 946 | |
---|
| 947 | switch($match) { |
---|
| 948 | case 'object': |
---|
| 949 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 950 | break; |
---|
| 951 | case 'array': |
---|
| 952 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 953 | break; |
---|
| 954 | default: |
---|
| 955 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 956 | break; |
---|
| 957 | } |
---|
| 958 | $this->checkMatrixDimensions($M); |
---|
| 959 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 960 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 961 | $validValues = True; |
---|
| 962 | $value = $M->get($i, $j); |
---|
| 963 | if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) { |
---|
| 964 | $this->A[$i][$j] = trim($this->A[$i][$j],'"'); |
---|
| 965 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]); |
---|
| 966 | } |
---|
| 967 | if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) { |
---|
| 968 | $value = trim($value,'"'); |
---|
| 969 | $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value); |
---|
| 970 | } |
---|
| 971 | if ($validValues) { |
---|
| 972 | $this->A[$i][$j] = pow($this->A[$i][$j],$value); |
---|
| 973 | } else { |
---|
| 974 | $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN(); |
---|
| 975 | } |
---|
| 976 | } |
---|
| 977 | } |
---|
| 978 | return $this; |
---|
| 979 | } else { |
---|
| 980 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 981 | } |
---|
| 982 | } // function power() |
---|
| 983 | |
---|
| 984 | |
---|
| 985 | /** |
---|
| 986 | * concat |
---|
| 987 | * |
---|
| 988 | * A = A & B |
---|
| 989 | * @param mixed $B Matrix/Array |
---|
| 990 | * @return Matrix Sum |
---|
| 991 | */ |
---|
| 992 | public function concat() { |
---|
| 993 | if (func_num_args() > 0) { |
---|
| 994 | $args = func_get_args(); |
---|
| 995 | $match = implode(",", array_map('gettype', $args)); |
---|
| 996 | |
---|
| 997 | switch($match) { |
---|
| 998 | case 'object': |
---|
| 999 | if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) { $M = $args[0]; } else { throw new PHPExcel_Calculation_Exception(self::ArgumentTypeException); } |
---|
| 1000 | case 'array': |
---|
| 1001 | $M = new PHPExcel_Shared_JAMA_Matrix($args[0]); |
---|
| 1002 | break; |
---|
| 1003 | default: |
---|
| 1004 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 1005 | break; |
---|
| 1006 | } |
---|
| 1007 | $this->checkMatrixDimensions($M); |
---|
| 1008 | for($i = 0; $i < $this->m; ++$i) { |
---|
| 1009 | for($j = 0; $j < $this->n; ++$j) { |
---|
| 1010 | $this->A[$i][$j] = trim($this->A[$i][$j],'"').trim($M->get($i, $j),'"'); |
---|
| 1011 | } |
---|
| 1012 | } |
---|
| 1013 | return $this; |
---|
| 1014 | } else { |
---|
| 1015 | throw new PHPExcel_Calculation_Exception(self::PolymorphicArgumentException); |
---|
| 1016 | } |
---|
| 1017 | } // function concat() |
---|
| 1018 | |
---|
| 1019 | |
---|
| 1020 | /** |
---|
| 1021 | * Solve A*X = B. |
---|
| 1022 | * |
---|
| 1023 | * @param Matrix $B Right hand side |
---|
| 1024 | * @return Matrix ... Solution if A is square, least squares solution otherwise |
---|
| 1025 | */ |
---|
| 1026 | public function solve($B) { |
---|
| 1027 | if ($this->m == $this->n) { |
---|
| 1028 | $LU = new PHPExcel_Shared_JAMA_LUDecomposition($this); |
---|
| 1029 | return $LU->solve($B); |
---|
| 1030 | } else { |
---|
| 1031 | $QR = new QRDecomposition($this); |
---|
| 1032 | return $QR->solve($B); |
---|
| 1033 | } |
---|
| 1034 | } // function solve() |
---|
| 1035 | |
---|
| 1036 | |
---|
| 1037 | /** |
---|
| 1038 | * Matrix inverse or pseudoinverse. |
---|
| 1039 | * |
---|
| 1040 | * @return Matrix ... Inverse(A) if A is square, pseudoinverse otherwise. |
---|
| 1041 | */ |
---|
| 1042 | public function inverse() { |
---|
| 1043 | return $this->solve($this->identity($this->m, $this->m)); |
---|
| 1044 | } // function inverse() |
---|
| 1045 | |
---|
| 1046 | |
---|
| 1047 | /** |
---|
| 1048 | * det |
---|
| 1049 | * |
---|
| 1050 | * Calculate determinant |
---|
| 1051 | * @return float Determinant |
---|
| 1052 | */ |
---|
| 1053 | public function det() { |
---|
| 1054 | $L = new PHPExcel_Shared_JAMA_LUDecomposition($this); |
---|
| 1055 | return $L->det(); |
---|
| 1056 | } // function det() |
---|
| 1057 | |
---|
| 1058 | |
---|
| 1059 | } // class PHPExcel_Shared_JAMA_Matrix |
---|