slepc-3.18.1 2022-11-02
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# EPSGDSetBlockSize

Sets the number of vectors to be added to the searching space in every iteration.

### Synopsis

    #include "slepceps.h"
    PetscErrorCode EPSGDSetBlockSize(EPS eps,PetscInt blocksize)

Logically Collective on eps

### Input Parameters

| eps | - the eigenproblem solver context
| blocksize | - number of vectors added to the search space in every iteration

### Options Database Key

| -eps_gd_blocksize | - number of vectors added to the search space in every iteration

### See Also

EPSGDSetKrylovStart()

### Level

advanced

### 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