MathPHP\LinearAlgebra\Vector::asRowMatrix PHP Метод

    public function asRowMatrix()
    {
        return new Matrix([$this->A]);
    }

 /**
  * Direct product (dyadic)
  *
  *            [A₁]              [A₁B₁ A₁B₂ A₁B₃]
  * AB = ABᵀ = [A₂] [B₁ B₂ B₃] = [A₂B₁ A₂B₂ A₂B₃]
  *            [A₃]              [A₃B₁ A₃B₂ A₃B₃]
  *
  * @param Vector $B
  *
  * @return Matrix
  */
 public function directProduct(Vector $B) : Matrix
 {
     $A = $this->asColumnMatrix();
     $Bᵀ = $B->asRowMatrix();
     return $A->kroneckerProduct($Bᵀ);
 }