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