petsc-3.7.7 2017-09-25
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TaoLineSearchSetInitialStepLength

 Sets the initial step length of a line search. If this value is not set then 1.0 is assumed.

Synopsis

#include "petsctaolinesearch.h" 
PetscErrorCode TaoLineSearchSetInitialStepLength(TaoLineSearch ls,PetscReal s)
Logically Collective on TaoLineSearch

Input Parameters

ls - the TaoLineSearch context
s - the initial step size

See Also

TaoLineSearchGetStepLength(), TaoLineSearchApply()

Level:intermediate
Location:src/tao/linesearch/interface/taolinesearch.c
Index of all TaoLineSearch routines
Table of Contents for all manual pages
Index of all manual pages