Ada : The ARPACK library

Introduction

ARPACK (ARnoldi PACKage) is a library of Fortran77 subroutines which allows computing the eigenvalues and eigenvectors of large sparse matrices. The library is based on the iterative algorithms of Lanczos/Arnoldi.

Versions installed

  • ARPACK 96 (default version)

Utilisation

The installed version may be accessed through the module command:

$ module load arpack
$ mpiifort appel_arpack.f90

Documentation