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,NEPJacobianFn **jac,void **ctx)
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#
Level#
advanced
Location#
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