TaoLineSearchMonitor#

Monitor the line search steps. This routine will otuput the iteration number, step length, and function value before calling the implementation specific monitor.

Synopsis#

#include "petsctaolinesearch.h" 
PetscErrorCode TaoLineSearchMonitor(TaoLineSearch ls, PetscInt its, PetscReal f, PetscReal step)

Input Parameters#

  • ls - the TaoLineSearch context

  • its - the current iterate number (>=0)

  • f - the current objective function value

  • step - the step length

Options Database Key#

  • -tao_ls_monitor - Use the default monitor, which prints statistics to standard output

See Also#

TaoLineSearch

Level#

developer

Location#

src/tao/linesearch/interface/taolinesearch.c

Implementations#

TaoLineSearchMonitor_MT in src/tao/linesearch/impls/morethuente/morethuente.c

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