get_quad_form Function

public function get_quad_form(A, x) result(res)

Calculates the quadratic form x^T A x, where A is an n x n matrix and x is a vector of length n

Arguments

Type IntentOptional Attributes Name
real(kind=rp), intent(in), dimension(:,:) :: A

(n,n) array
real(kind=rp), intent(in), dimension(:) :: x

(n,) array

Return Value real(kind=rp)