KSPSYMMLQ

Implements the SYMMLQ method [PS75].

Notes

The operator and the preconditioner must be symmetric for this method.

The preconditioner must be POSITIVE-DEFINITE.

Supports only left preconditioning.

References

PS75

C. C. Paige and M. A. Saunders. Solution of sparse indefinite systems of linear equations. SIAM Journal on Numerical Analysis, 12:617–629, 1975.

See Also

KSP: Linear System Solvers, KSPCreate(), KSPSetType(), KSPType, KSP

Level

beginner

Location

src/ksp/ksp/impls/symmlq/symmlq.c

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Index of all KSP routines
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