slepc-main 2024-11-09
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NEPSetFunction

Sets the function to compute the nonlinear Function T(lambda) as well as the location to store the matrix.

Synopsis

#include "slepcnep.h" 
PetscErrorCode NEPSetFunction(NEP nep,Mat A,Mat B,NEPFunctionFn *fun,void *ctx)
Collective

Input Parameters

nep  - the NEP context
A  - Function matrix
B  - preconditioner matrix (usually same as A)
fun  - Function evaluation routine (if NULL then NEP retains any previously set value), see NEPFunctionFn for the calling sequence
ctx  - [optional] user-defined context for private data for the Function evaluation routine (may be NULL) (if NULL then NEP retains any previously set value)

See Also

NEPGetFunction(), NEPSetJacobian()

Level

beginner

Location

src/nep/interface/nepbasic.c

Examples

src/nep/tutorials/ex20.c
src/nep/tutorials/ex20f.F90
src/nep/tutorials/ex21.c
src/nep/tutorials/ex27.c
src/nep/tutorials/ex27f.F90
src/nep/tutorials/ex54f.F90


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