PETSc version 3.17.4

## SNESFAS Examples

The SNESFAS object is a nonlinear multigrid solver which uses the Full Approximation Storage scheme.

Beginner - Basic usage
| SNESFAS |  |
Intermediate - Setting options for algorithms and data structures
| SNESFASGetType | SNESFASSetLevels | SNESFASSetType
Advanced - Setting more advanced options and customization
| SNESFASCycleGetCorrection | SNESFASGetCycleSNES | SNESFASSetCycles
SNESFASCycleGetSmoother | SNESFASGetGalerkin | SNESFASSetGalerkin
SNESFASCycleGetSmootherDown | SNESFASGetInjection | SNESFASSetInjection
SNESFASCycleGetSmootherUp | SNESFASGetInterpolation | SNESFASSetInterpolation
SNESFASCycleIsFine | SNESFASGetLevels | SNESFASSetLog
SNESFASCycleSetCycles | SNESFASGetRestriction | SNESFASSetMonitor
SNESFASFullGetTotal | SNESFASGetSmoother | SNESFASSetNumberSmoothDown
SNESFASFullSetDownSweep | SNESFASGetSmootherDown | SNESFASSetNumberSmoothUp
SNESFASFullSetTotal | SNESFASGetSmootherUp | SNESFASSetRScale
SNESFASGetCoarseSolve | SNESFASSetContinuation | SNESFASSetRestriction
Developer - Interfaces intended primarily for library developers, not for typical applications programmers
| SNESFASCreateCoarseVec | SNESFASCycleGetRScale | SNESFASRestrict
SNESFASCycleGetInjection | SNESFASCycleGetRestriction |
SNESFASCycleGetInterpolation | SNESFASGalerkinFunctionDefault |
No deprecated routines

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