KSPBCGS

Implements the BiCGStab (Stabilized version of Biconjugate Gradient) method [vdV92]

Notes

Supports left and right preconditioning but not symmetric

See KSPBCGSL for additional stabilization

See KSPFBCGS, KSPFBCGSR, and KSPPIPEBCGS for flexible and pipelined versions of the algorithm

References

vdV92

H. van der Vorst. Bi-CGSTAB: a fast and smoothly converging variant of Bi-CG for the solution of nonsymmetric linear systems. SIAM J. Sci. Stat. Comput., 13:631–644, 1992.

See Also

KSP: Linear System Solvers, KSPFBCGS, KSPFBCGSR, KSPPIPEBCGS, KSPBCGSL, KSPCreate(), KSPSetType(), KSPType, KSP, KSPBICG, KSPBCGSL, KSPFBICG, KSPQMRCGS, KSPSetPCSide()

Level

beginner

Location

src/ksp/ksp/impls/bcgs/bcgs.c

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Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages