/**
* @depends testMultiplica4
*/
public function testInversa()
{
$tmp1 = new MatrixBase(3, 3, 5);
$tmp1->setPoint(1, 1, 2);
$tmp1->setPoint(1, 2, -2);
$tmp1->setPoint(1, 3, 2);
$tmp1->setPoint(2, 1, 2);
$tmp1->setPoint(2, 2, 1);
$tmp1->setPoint(2, 3, 0);
$tmp1->setPoint(3, 1, 3);
$tmp1->setPoint(3, 2, -2);
$tmp1->setPoint(3, 3, 2);
$inversa = $tmp1->inversa();
$tmp2 = new MatrixBase(3, 3, 5);
$tmp2->setPoint(1, 1, -1);
$tmp2->setPoint(1, 2, 0);
$tmp2->setPoint(1, 3, 1);
$tmp2->setPoint(2, 1, 2);
$tmp2->setPoint(2, 2, 1);
$tmp2->setPoint(2, 3, -2);
$tmp2->setPoint(3, 1, 7 / 2);
$tmp2->setPoint(3, 2, 1);
$tmp2->setPoint(3, 3, -3);
$this->assertTrue($tmp2->isMatrixEquals($inversa));
$tmp3 = new MatrixBase(3, 3, 5);
$tmp3->setPoint(1, 1, 1);
$tmp3->setPoint(1, 2, 0);
$tmp3->setPoint(1, 3, 0);
$tmp3->setPoint(2, 1, 0);
$tmp3->setPoint(2, 2, 1);
$tmp3->setPoint(2, 3, 0);
$tmp3->setPoint(3, 1, 0);
$tmp3->setPoint(3, 2, 0);
$tmp3->setPoint(3, 3, 1);
$multiplicada = $tmp1->multiplicationMatrix($inversa);
$this->assertTrue($tmp3->isMatrixEquals($multiplicada));
}
