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Module ZGEEQU.C in CLAPACK

General Information

Computes row and column scalings to equilibrate a general rectangular matrix and reduce its condition number. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].

Usage
int zgeequ_(integer *m, integer *n, doublecomplex *a, integer *lda, doublereal *r, doublereal *c, doublereal *rowcnd, doublereal *colcnd, doublereal *amax, i nteger *info)
Classification
D2c1Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (general complex non-Hermitian matrices)
Type
subroutine in CLAPACK package (COMPLEX16 sublibrary)
Language
C
Availability
Public domain, Portable
Precision
Double Precision
Alternates
CGEEQU.C
Single Precision

Download from NETLIB; Public access repository

Location
The University of Tennessee at Knoxville and Bell Laboratories
Contact
Jack Dongarra, ORNL (dongarra@cs.utk.edu) and Eric Grosse, Bell Labs (ehg@research.att.com)
Comments? gams@nist.gov