petsc-3.13.6 2020-09-29
KSPCR
This code implements the (preconditioned) conjugate residuals method
Options Database Keys
see KSPSolve() -
Notes
The operator and the preconditioner must be symmetric for this method. The
preconditioner must be POSITIVE-DEFINITE and the operator POSITIVE-SEMIDEFINITE.
Support only for left preconditioning.
References
1. -Magnus R. Hestenes and Eduard Stiefel, Methods of Conjugate Gradients for Solving Linear Systems,
Journal of Research of the National Bureau of Standards Vol. 49, No. 6, December 1952 Research Paper 2379
See Also
KSPCreate(), KSPSetType(), KSPType (for list of available types), KSP, KSPCG
Level
beginner
Location
src/ksp/ksp/impls/cr/cr.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages