petsc-3.14.6 2021-03-30

MatIsLinear

Check if a shell matrix A is a linear operator.

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

Collective on Mat

	A	- the shell matrix
	n	- number of random vectors to be tested

flg

- PETSC_TRUE if the shell matrix is linear; PETSC_FALSE otherwise.

intermediate