TaoSetResidualRoutine#

Sets the residual evaluation routine for least-square applications

Synopsis#

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

Logically Collective

Input Parameters#

  • tao - the Tao context

  • res - the residual vector

  • 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#

  • tao - the optimizer

  • x - input vector

  • res - function value vector

  • ctx - [optional] user-defined function context

See Also#

TAO: Optimization Solvers, Tao, TaoSetObjective(), TaoSetJacobianRoutine()

Level#

beginner

Location#

src/tao/interface/taosolver_fg.c

Examples#

src/tao/leastsquares/tutorials/tomography.c
src/tao/leastsquares/tutorials/cs1.c
src/tao/leastsquares/tutorials/chwirut1.c
src/tao/leastsquares/tutorials/chwirut2.c

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