MathPHP\LinearAlgebra\MatrixColumnOperationsTest::testColulmnInterchange PHP Method

    public function testColulmnInterchange(array $A, int $nᵢ, int $nⱼ, array $R)
    {
        $A = MatrixFactory::create($A);
        $R = MatrixFactory::create($R);
        $this->assertEquals($R, $A->columnInterchange($nᵢ, $nⱼ));
    }