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<?php
namespace Chippyash\Math\Matrix\Computation\Div;
use Chippyash\Math\Matrix\Computation\AbstractComputation;
use Chippyash\Math\Matrix\Computation\Mul\Matrix as MM;
use Chippyash\Math\Matrix\Transformation\Invert;
use Chippyash\Math\Matrix\NumericMatrix;
use Chippyash\Math\Matrix\Traits\CreateCorrectMatrixType;
use Chippyash\Matrix\Traits\AssertParameterIsMatrix;
use Chippyash\Matrix\Traits\AssertMatrixColumnsAreEqual;
use Chippyash\Matrix\Traits\AssertMatrixRowsAreEqual;
class Matrix extends AbstractComputation
{
use AssertParameterIsMatrix;
use AssertMatrixRowsAreEqual;
use AssertMatrixColumnsAreEqual;
use CreateCorrectMatrixType;
public function compute(NumericMatrix $mA, $extra = null)
{
$this->assertParameterIsMatrix($extra, 'Parameter is not a matrix');
if ($mA->is('empty')) {
$mA = $this->createCorrectMatrixType($mA, [1]);
}
if ($extra->is('empty')) {
$extra = $this->createCorrectMatrixType($extra, [1]);
}
$this->assertMatrixColumnsAreEqual($mA, $extra)
->assertMatrixRowsAreEqual($mA, $extra);
$fI = new Invert();
$mI = $fI->transform($extra);
$mul = new MM();
return $mul($mA, $mI);
}
}