MathPHP\LinearAlgebra\MatrixColumnOperationsTest::testColumnMultiply PHP Method

    public function testColumnMultiply(array $A, int $nᵢ, $k, array $R)
    {
        $A = MatrixFactory::create($A);
        $R = MatrixFactory::create($R);
        $this->assertEquals($R, $A->columnMultiply($nᵢ, $k));
    }