petsc-3.10.5 2019-03-28
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# SNESVINEWTONRSLS

Reduced space active set solvers for variational inequalities based on Newton's method

### Options Database

| -snes_type <vinewtonssls,vinewtonrsls> | - a semi-smooth solver, a reduced space active set method
| -snes_vi_monitor | - prints the number of active constraints at each iteration.

### References

1. -T. S. Munson, and S. Benson. Flexible Complementarity Solvers for Large Scale Applications, Optimization Methods and Software, 21 (2006).

### See Also

SNESVISetVariableBounds(), SNESVISetComputeVariableBounds(), SNESCreate(), SNES, SNESSetType(), SNESVINEWTONSSLS, SNESNEWTONTR, SNESLineSearchSetType(),SNESLineSearchSetPostCheck(), SNESLineSearchSetPreCheck()

### Level

beginner

### Location

src/snes/impls/vi/rs/virs.c

### Examples

src/snes/examples/tutorials/ex9.c.html
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages