# EPSMonitorFirst

Print the first approximate value and error estimate at each iteration of the eigensolver.

### Synopsis

    #include "slepceps.h"
    PetscErrorCode EPSMonitorFirst(EPS eps,PetscInt its,PetscInt nconv,PetscScalar *eigr,PetscScalar *eigi,PetscReal *errest,PetscInt nest,void *monctx)

Collective on EPS

### Input Parameters

| eps | - eigensolver context
| its | - iteration number
| nconv | - number of converged eigenpairs so far
| eigr | - real part of the eigenvalues
| eigi | - imaginary part of the eigenvalues
| errest | - error estimates
| nest | - number of error estimates to display
| monctx | - monitor context (contains viewer, can be NULL)

### See Also

EPSMonitorSet(), EPSMonitorAll(), EPSMonitorConverged()

Location: src/eps/interface/monitor.c
Index of all EPS routines
Table of Contents for all manual pages
Index of all manual pages