TaoKSPSetUseEW

Sets SNES to use Eisenstat-Walker method [EW96]for computing relative tolerance for linear solvers.

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoKSPSetUseEW(Tao tao, PetscBool flag)

Logically Collective

Input Parameters

• tao - Tao context

• flag - PETSC_TRUE or PETSC_FALSE

Note

See SNESKSPSetUseEW() for customization details.

References

[EW96]

S. C. Eisenstat and H. F. Walker. Choosing the forcing terms in an inexact Newton method. SIAM J. Scientific Computing, 17:16–32, 1996.

See Also

TAO: Optimization Solvers, Tao, SNESKSPSetUseEW()

Level

advanced

Location

src/tao/interface/taosolver.c

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