petsc-3.7.1 2016-05-15
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SNESLineSearchSetOrder

Sets the line search damping paramter.

Synopsis

#include "petscsnes.h" 
PetscErrorCode  SNESLineSearchSetOrder(SNESLineSearch linesearch,PetscInt order)

Input Parameters

linesearch -linesearch context Many br
order -The damping parameter Many br

Many br

Possible Values for order

1 or SNES_LINESEARCH_ORDER_LINEAR - linear order Many br
2 or SNES_LINESEARCH_ORDER_QUADRATIC - quadratic order Many br
3 or SNES_LINESEARCH_ORDER_CUBIC - cubic order Many br

Notes

Variable orders are supported by the following line searches

bt - cubic and quadratic Many br
cp - linear and quadratic Many br

See Also

SNESLineSearchGetOrder()

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