MathPHP\LinearAlgebra\Vector::subtract PHP Метод

    public function subtract(Vector $B) : Vector
    {
        if ($B->getN() !== $this->n) {
            throw new Exception\VectorException('Vectors must be the same length for subtraction');
        }
        $R = Map\Multi::subtract($this->A, $B->getVector());
        return new Vector($R);
    }