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Searched refs:steplength (Results 1 – 5 of 5) sorted by relevance

/petsc/src/tao/linesearch/interface/
H A Dtaolinesearch.c285 …hApply(TaoLineSearch ls, Vec x, PetscReal *f, Vec g, Vec s, PetscReal *steplength, TaoLineSearchCo… in TaoLineSearchApply() argument
353 if (steplength) *steplength = ls->step; in TaoLineSearchApply()
985 …chGetSolution(TaoLineSearch ls, Vec x, PetscReal *f, Vec g, PetscReal *steplength, TaoLineSearchCo… in TaoLineSearchGetSolution() argument
996 if (steplength) *steplength = ls->step; in TaoLineSearchGetSolution()
/petsc/doc/changes/
H A D33.md140 - The previous steplength may be accessed through
/petsc/src/tao/interface/
H A Dtaosolver.c2522 …aoMonitor(Tao tao, PetscInt its, PetscReal f, PetscReal res, PetscReal cnorm, PetscReal steplength) in TaoMonitor() argument
2531 tao->step = steplength; in TaoMonitor()
/petsc/doc/manual/
H A Dsnes.md422 line searches, which may be used to find a better-fitted steplength in
427 `-snes_linesearch_atol`, and steplength tolerance
644 CG, but with the steplength determined by line search
H A Dtao.md3120 PetscReal gnormPrev,gdx,f,gnorm,steplength=0;
3155 PetscCall(TaoLineSearchApply(tao->linesearch,x,&f,g,s,&steplength,&lsflag));
3184 PetscReal res, PetscReal cnorm, PetscReal steplength,
3199 unconstrained solvers. The sixth argument is a nonnegative steplength,
3216 TaoVec *s, PetscReal *steplength,