/**
* @expectedException InvalidArgumentException
*/
public function testNonSquareDet()
{
$this->A->det();
}
/**
* MDETERM
*
* @param array $matrixValues A matrix of values
* @return float
*/
public static function MDETERM($matrixValues)
{
$matrixData = array();
if (!is_array($matrixValues)) {
$matrixValues = array(array($matrixValues));
}
$row = $maxColumn = 0;
foreach ($matrixValues as $matrixRow) {
$column = 0;
foreach ($matrixRow as $matrixCell) {
if (is_string($matrixCell) || $matrixCell === null) {
return self::$_errorCodes['value'];
}
$matrixData[$column][$row] = $matrixCell;
++$column;
}
if ($column > $maxColumn) {
$maxColumn = $column;
}
++$row;
}
if ($row != $maxColumn) {
return self::$_errorCodes['value'];
}
try {
$matrix = new Matrix($matrixData);
return $matrix->det();
} catch (Exception $ex) {
return self::$_errorCodes['value'];
}
}
/**
* MDETERM
*
* @param array $matrixValues A matrix of values
* @return float
*/
public static function MDETERM($matrixValues)
{
$matrixData = array();
$row = 0;
foreach ($matrixValues as $matrixRow) {
$column = 0;
foreach ($matrixRow as $matrixCell) {
if (is_string($matrixCell) || $matrixCell === null) {
return self::$_errorCodes['value'];
}
$matrixData[$column][$row] = $matrixCell;
++$column;
}
++$row;
}
$matrix = new Matrix($matrixData);
return $matrix->det();
}