KSPSetInitialGuessNonzero
Tells the iterative solver that the initial guess is nonzero; otherwise KSP assumes the initial guess is to be zero (and thus zeros it out before solving).
Synopsis
int KSPSetInitialGuessNonzero(KSP ksp)
Collective on KSP
Input Parameters
ksp -iterative context obtained from KSPCreate()
Notes
If this is not called the X vector is zeroed in the call to
SLESSolve() (or KSPSolve()).
Keywords
KSP, set, initial guess, nonzero
See Also
KSPGetIntialGuessNonzero()
Examples
src/sles/examples/tutorials/ex3.c
src/sles/examples/tutorials/ex9.c
Level:beginner
Location:src/sles/ksp/interface/itfunc.c
KSP Index
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