KSPQMRCGS

Implements the QMRCGStab method [CGS+94] and Ghai, Lu, and Jiao (NLAA 2019).

Note

Only right preconditioning is supported.

Contributed by

Xiangmin Jiao (xiangmin.jiao@stonybrook.edu)

References

[CGS+94]

Tony F Chan, Efstratios Gallopoulos, Valeria Simoncini, Tedd Szeto, and Charles H Tong. A quasi-minimal residual variant of the Bi-CGSTAB algorithm for nonsymmetric systems. SIAM Journal on Scientific Computing, 15(2):338–347, 1994.

See Also

KSP: Linear System Solvers, KSPCreate(), KSPSetType(), KSPType, KSP, KSPBICG, KSPFBICGS, KSPBCGSL, KSPSetPCSide()

Level

beginner

Location

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

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