DMTSCheckJacobian#
Check the Jacobian of the exact solution against the residual using the Taylor Test
Synopsis#
#include "petscdmplex.h"
#include "petscts.h"
PetscErrorCode DMTSCheckJacobian(TS ts, DM dm, PetscReal t, Vec u, Vec u_t, PetscReal tol, PetscBool *isLinear, PetscReal *convRate)
Input Parameters#
ts - the TS object
dm - the DM
t - the time
u - a DM vector
u_t - a DM vector
tol - A tolerance for the check, or -1 to print the results instead
Output Parameters#
isLinear - Flag indicaing that the function looks linear, or NULL
convRate - The rate of convergence of the linear model, or NULL
See Also#
TS: Scalable ODE and DAE Solvers, DNTSCheckFromOptions()
, DMTSCheckResidual()
, DNSNESCheckFromOptions()
, DMSNESCheckDiscretization()
, DMSNESCheckResidual()
Level#
developer
Location#
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages