public function testAdjugate()
{
$matrix = new Matrix([[3, 0, 2], [2, 0, -2], [0, 1, 1]]);
$adjugated = $matrix->adjugate();
$result = new Matrix([[2, 2, 0], [-2, 3, 10], [2, -3, 0]]);
$this->assertTrue($adjugated->equals($result));
}
