slepc-3.14.2 2021-02-01
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# EPSGetErrorEstimate

Returns the error estimate associated to the i-th computed eigenpair.

### Synopsis

    #include "slepceps.h"
    #include "slepcbv.h"
    PetscErrorCode EPSGetErrorEstimate(EPS eps,PetscInt i,PetscReal *errest)

Not Collective

### Input Parameter

| eps | - eigensolver context
| i | - index of eigenpair

### Output Parameter

| errest | - the error estimate

### Notes

This is the error estimate used internally by the eigensolver. The actual error bound can be computed with EPSComputeError(). See also the users manual for details.

### See Also

EPSComputeError()

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