petsc-3.7.5 2017-01-01

Report Typos and Errors

SNESLineSearchBTSetAlpha

Sets the descent parameter, alpha, in the BT linesearch variant.

Synopsis

#include "petscsnes.h"  
PetscErrorCode SNESLineSearchBTSetAlpha(SNESLineSearch linesearch, PetscReal alpha)

Input Parameters

	linesearch	- linesearch context
	alpha	- The descent parameter

See Also

SNESLineSearchSetLambda(), SNESLineSearchGetTolerances() SNESLINESEARCHBT

Level:intermediate
Location:src/snes/linesearch/impls/bt/linesearchbt.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages