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Arbeitsgruppe Mathematik in Industrie und Technik

HAPACK - Software for (Skew-)Hamiltonian Eigenvalue Problems

HAPACK provides Fortran 77 routines for eigenvalue problems related to Hamiltonian and skew-Hamiltonian matrices.


02.11.05 - new HAPACK archive with minor corrections
18.05.05 - residual calculation to test routines added
19.04.05 - some applications (ARE, gyroscopic systems, stability radius) added
27.09.04 - version 1.0 of HAPACK released
22.07.03 - preliminary version of HAPACK publicly available


hapack-1.1.1.tar.gz - HAPACK Fortran library (some bug fixes)
hapack-1.1.tar.gz - HAPACK Fortran library - HAPACK Matlab library for Windows (incl. precompiled MEX gateways)
hapack-1.0-ml.tar.gz - HAPACK Matlab library for Linux (incl. precompiled MEX gateways)
routines/ - List of available Fortran routines
matlab/ - Matlab scripts and MEX gateways
applications/ - Application-oriented routines based on HAPACK


pub/ - List of related references


Peter Benner, Fakultät für Mathematik, TU Chemnitz
Daniel Kressner, Department of Mathematics, University of Zagreb
Both authors were supported by the DFG Research Center Matheon - ''Mathematics for key technologies'' - in Berlin.

Related Software

LAPACK - Linear Algebra PACKage
SLICOT - Control and systems library
TOMS 800 - Subroutines for the square-reduced method

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