petsc-3.9.4 2018-09-11
KSPSetComputeInitialGuess
set routine to compute the initial guess of the linear system
Synopsis
#include "petscksp.h"
PetscErrorCode KSPSetComputeInitialGuess(KSP ksp,PetscErrorCode (*func)(KSP,Vec,void*),void *ctx)
Logically Collective
Input Arguments
| ksp | - the KSP context
|
| func | - function to compute the initial guess
|
| ctx | - optional context
|
Calling sequence of func
func(KSP ksp,Vec x,void *ctx)
| ksp | - the KSP context
|
| x | - solution vector
|
| ctx | - optional user-provided context
|
See Also
KSPSolve(), KSPSetComputeRHS(), KSPSetComputeOperators(), DMKSPSetComputeInitialGuess()
Level
beginner
Location
src/ksp/ksp/interface/itfunc.c
Examples
src/ksp/ksp/examples/tutorials/ex45.c.html
src/ksp/ksp/examples/tutorials/ex45f.F90.html
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages