◆ quad_form_sym() [4/5]

template<typename EigMat , typename ColVec , require_eigen_t< EigMat > * = nullptr, require_eigen_col_vector_t< ColVec > * = nullptr, require_vt_same< EigMat, ColVec > * = nullptr, require_all_vt_arithmetic< EigMat, ColVec > * = nullptr>

value_type_t< EigMat > stan::math::quad_form_sym	(	const EigMat &	A,
		const ColVec &	B
	)

inline

Return the quadratic form \( B^T A B \) of a symmetric matrix.

Template Parameters

EigMat	type of the (symmetric) matrix
ColVec	type of the vector

Parameters

A	symmetric matrix
B	vector

Exceptions

std::invalid_argument if A is not symmetric, or if A cannot be multiplied by B

Definition at line 56 of file quad_form_sym.hpp.