PCKACZMARZ#
Kaczmarz iteration [Kac37]
Options Database Keys#
-pc_kaczmarz_lambda
- Sets damping parameter defaults to 1.0-pc_kaczmarz_symmetric - Apply the row projections symmetrically
Note#
In parallel this is block-Jacobi with Kaczmarz inner solve on each processor.
References#
- Kac37
Stefan Kaczmarz. Angenaherte auflosung von systemen linearer gleichungen. Bull. Int. Acad. Pol. Sic. Let., Cl. Sci. Math. Nat., pages 355–357, 1937.
See Also#
KSP: Linear System Solvers, PCCreate()
, PCSetType()
, PCType
, PC
, PCJACOBI
, PCBJACOBI
Level#
beginner
Location#
src/ksp/pc/impls/kaczmarz/kaczmarz.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages