slepc-3.20.2 2024-03-15
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NEPGetJacobian

Returns the Jacobian matrix and optionally the user provided routine and context for evaluating the Jacobian.

Synopsis

#include "slepcnep.h" 
PetscErrorCode NEPGetJacobian(NEP nep,Mat *A,PetscErrorCode (**jac)(NEP,PetscScalar,Mat,void*),void **ctx)
Not Collective

Input Parameter

nep  - the nonlinear eigensolver context

Output Parameters

A  - location to stash Jacobian matrix (or NULL)
jac  - location to put Jacobian function (or NULL)
ctx  - location to stash Jacobian context (or NULL)

See Also

NEPSetJacobian()

Level

advanced

Location

src/nep/interface/nepbasic.c

Index of all NEP routines
Table of Contents for all manual pages
Index of all manual pages