petsc-3.12.5 2020-03-29
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TaoSetResidualRoutine

Sets the residual evaluation routine for least-square applications

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoSetResidualRoutine(Tao tao, Vec res, PetscErrorCode (*func)(Tao, Vec, Vec, void*),void *ctx)
Logically collective on Tao

Input Parameter

tao - the Tao context
func - the residual evaluation routine
ctx - [optional] user-defined context for private data for the function evaluation routine (may be NULL)

Calling sequence of func

     func (Tao tao, Vec x, Vec f, void *ctx);

x - input vector
f - function value vector
ctx - [optional] user-defined function context

See Also

TaoSetObjectiveRoutine(), TaoSetJacobianRoutine()

Level

beginner

Location

src/tao/interface/taosolver_fg.c

Examples

src/tao/leastsquares/examples/tutorials/chwirut1.c.html
src/tao/leastsquares/examples/tutorials/chwirut2.c.html
src/tao/leastsquares/examples/tutorials/cs1.c.html
src/tao/leastsquares/examples/tutorials/tomography.c.html
src/tao/leastsquares/examples/tutorials/chwirut1f.F90.html
src/tao/leastsquares/examples/tutorials/chwirut2f.F90.html

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