MathPHP\LinearAlgebra\Vector::getVector PHP Метод

    public function getVector() : array
    {
        return $this->A;
    }

 /**
  * Subtract (A - B)
  *
  * A = [a₁, a₂, a₃]
  * B = [b₁, b₂, b₃]
  * A - B = [a₁ - b₁, a₂ - b₂, a₃ - b₃]
  *
  * @param Vector $B
  *
  * @return Vector
  */
 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);
 }