int SNESSetLineSearchParams(SNES snes,double alpha,double maxstep,double steptol)Collective on SNES
snes | - The nonlinear context obtained from SNESCreate() | |
alpha | - The scalar such that x_{n+1} . x_{n+1} <= x_n . x_n - alpha |x_n . J . x_n| | |
maxstep | - The maximum norm of the update vector | |
steptol | - The minimum norm fraction of the original step after scaling |
Contributed by: Mathew Knepley
Level:intermediate
Location:src/snes/impls/ls/lsparams.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages