MathPHP\LinearAlgebra\VectorAxiomsTest::testScalarMultiplyNegativeOneIdentity PHP Method

    public function testScalarMultiplyNegativeOneIdentity(array $A, array $R)
    {
        $A = new Vector($A);
        $ーA = $A->scalarMultiply(-1);
        $R = new Vector($R);
        $this->assertEquals($R, $ーA);
        $this->assertEquals($R->getVector(), $ーA->getVector());
    }