petsc-3.10.5 2019-03-28
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# TaoLineSearchSetType

Sets the algorithm used in a line search

### Synopsis

    #include "petsctaolinesearch.h"
    PetscErrorCode TaoLineSearchSetType(TaoLineSearch ls, TaoLineSearchType type)

Collective on TaoLineSearch

### Input Parameters

| ls | - the TaoLineSearch context
| type | - a known method

### Available methods include

| more | - thuente
| gpcg | - - unit - Do not perform any line search

### Options Database Keys

| -tao_ls_type | - select which method TAO should use

### See Also

TaoLineSearchCreate(), TaoLineSearchGetType(), TaoLineSearchApply()

### Level

beginner

### Location

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