# EPSGDSetWindowSizes

Sets the number of converged vectors in the projected problem (or Rayleigh quotient) and in the projector employed in the correction equation.

### Synopsis

    #include "slepceps.h"
    PetscErrorCode EPSGDSetWindowSizes(EPS eps,PetscInt pwindow,PetscInt qwindow)

Logically Collective on EPS

### Input Parameters

| eps | - the eigenproblem solver context
| pwindow | - number of converged vectors in the projector
| qwindow | - number of converged vectors in the projected problem

### Options Database Keys

| -eps_gd_pwindow | - set the number of converged vectors in the projector
| -eps_gd_qwindow | - set the number of converged vectors in the projected problem

### See Also

EPSGDGetWindowSizes()

Location: src/eps/impls/davidson/gd/gd.c
Index of all EPS routines
Table of Contents for all manual pages
Index of all manual pages