petsc-3.7.3 2016-07-24
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# SNESCOMPOSITE

Build a preconditioner by composing together several nonlinear solvers

### Options Database Keys

| -snes_composite_type <type: one of multiplicative, additive, symmetric_multiplicative, special> | - Sets composite preconditioner type
| -snes_composite_sneses | - <snes0,snes1,...> list of SNESes to compose

### See Also

SNESCreate(), SNESSetType(), SNESType (for list of available types), SNES,
SNESSHELL, SNESCompositeSetType(), SNESCompositeSpecialSetAlpha(), SNESCompositeAddSNES(), SNESCompositeGetSNES()

### References

1. -Peter R. Brune, Matthew G. Knepley, Barry F. Smith, and Xuemin Tu, "Composing Scalable Nonlinear Algebraic Solvers", SIAM Review, 57(4), 2015

Level:intermediate
Location: src/snes/impls/composite/snescomposite.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages