slepc-3.19.2 2023-09-05
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# NEPRIIGetLagPreconditioner

Indicates how often the preconditioner is rebuilt.

### Synopsis

    #include "slepcnep.h"
    PetscErrorCode NEPRIIGetLagPreconditioner(NEP nep,PetscInt *lag)

Not Collective

### Input Parameter

| nep | - nonlinear eigenvalue solver

### Output Parameter

| lag | - the lag parameter

### See Also

NEPRIISetLagPreconditioner()

### Level

intermediate

### Location

src/nep/impls/rii/rii.c
Index of all NEP routines
Table of Contents for all manual pages
Index of all manual pages