petsc-3.14.6 2021-03-30

MatTransposeMatMultEqual

Test A^T*B*x = C*x for n random vector x

#include "petscmat.h"  
PetscErrorCode MatTransposeMatMultEqual(Mat A,Mat B,Mat C,PetscInt n,PetscBool *flg)

Collective on Mat

	A	- the first matrix
	B	- the second matrix
	C	- the third matrix
	n	- number of random vectors to be tested

flg

- PETSC_TRUE if the products are equal; PETSC_FALSE otherwise.

intermediate