GTSEvaluateSystemMatrix

Constructs the system matrix for U_t = A(U,t) U

#include "petscts.h" 
#include "gsolver.h" 
int GTSEvaluateSystemMatrix(GTS ts, double t, GMat *A, GMat *M, MatStructure *flag, PetscObject ctx)

Collective on GTS

ts -The grid TS

flag -The matrix structure flag

ctx -The optional user context

A -The system matrix

M -The preconditioner for the system matrix, usually the same as A

grid ts, evaluate, jacobian