petsc-3.12.5 2020-03-29
KSPCGLS
Conjugate Gradient method for Least-Squares problems
Supports non-square (rectangular) matrices.
Notes
This does not use the preconditioner, so one should probably use KSPLSQR instead.
See Also
KSPCreate(), KSPSetType(), KSPType (for list of available types), KSP,
KSPCGSetType(), KSPCGUseSingleReduction(), KSPPIPECG, KSPGROPPCG
Level
beginner
Location
src/ksp/ksp/impls/cg/cgls.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages