SNESCompositeType#
Determines how two or more preconditioners are composed with the SNESType of SNESCOMPOSITE
Synopsis#
Values#
SNES_COMPOSITE_ADDITIVE- results from application of all preconditioners are added togetherSNES_COMPOSITE_MULTIPLICATIVE- preconditioners are applied sequentially to the residual freshly computed after the previous preconditioner applicationSNES_COMPOSITE_ADDITIVEOPTIMAL- uses a linear combination of the solutions obtained with each preconditioner that approximately minimize the function value at the new iteration.
See Also#
Preconditioners, PCCOMPOSITE, PCFIELDSPLIT, PC, PCCompositeSetType(), PCCompositeType
Level#
beginner
Location#
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages