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 *J,NEPJacobianFn **jac,void **ctx)

Collective

Input Parameter#

  • nep - the nonlinear eigensolver context

Output Parameters#

  • J - 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#

NEP: Nonlinear Eigenvalue Problems, NEPSetJacobian()

Level#

advanced

Location#

src/nep/interface/nepbasic.c

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