Module 826 in TOMS

General Information

PZLAHQR: Parallel code to compute eigenvalues of complex Hessenberg matrices. Uses the Schur decomposition method. (See M. Fahey, ACM TOMS 29 (2003) pp. 326-336.).

Classification

D4c2b

Compute eigenvalues of Hessenberg matrix

Type

subroutine in TOMS package

Language

Fortran 90

Availability

Some uses prohibited, Portable

Precision

Double 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)