# zchkbk.f - Man Page

TESTING/EIG/zchkbk.f

## Synopsis

### Functions/Subroutines

subroutine **zchkbk** (nin, nout)**ZCHKBK**

## Function/Subroutine Documentation

### subroutine zchkbk (integer nin, integer nout)

**ZCHKBK**

**Purpose:**

ZCHKBK tests ZGEBAK, a routine for backward transformation of the computed right or left eigenvectors if the original matrix was preprocessed by balance subroutine ZGEBAL.

**Parameters***NIN*NIN is INTEGER The logical unit number for input. NIN > 0.

*NOUT*NOUT is INTEGER The logical unit number for output. NOUT > 0.

**Author**Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line **54** of file **zchkbk.f**.

## Author

Generated automatically by Doxygen for LAPACK from the source code.

## Referenced By

The man page zchkbk(3) is an alias of zchkbk.f(3).

Tue Nov 28 2023 12:08:42 Version 3.12.0 LAPACK