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

Examples

src/ksp/ksp/tutorials/ex7.c

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