petsc-3.7.7 2017-09-25
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# TaoLineSearchGetStepDirection

Gets the step direction of the line search.

### Synopsis

    #include "petsctaolinesearch.h"
    PetscErrorCode TaoLineSearchGetStepDirection(TaoLineSearch ls, Vec *s)

Not Collective

### Input Parameter

ls - the TaoLineSearch context

### Output Parameter

s - the step direction of the line search

Level:advanced
Location:src/tao/linesearch/interface/taolinesearch.c
Index of all TaoLineSearch routines
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Index of all manual pages