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Fortran77 subroutines for solving large scale eigenvalue problems

ARPACK is a collection of Fortran77 subroutines designed to solve large scale eigenvalue problems. PARPACK is a parallel implementation of ARPACK.

The package is designed to compute a few eigenvalues and corresponding eigenvectors of a general n by n matrix A. It is most appropriate for large sparse or structured matrices A where structured means that a matrix-vector product w <- Av order n rather than the usual order n**2 floating point operations. This software is based upon an algorithmic variant of the Arnoldi process called the Implicitly Restarted Arnoldi Method (IRAM).

Source Files

Filename Size Changed Actions
RiceBSD.doc 21 KB Download File
RiceBSD.txt 1.98 KB Download File
arpack96.tar.bz2 341 KB Download File
clarification-note-by-authors.txt 4.01 KB Download File
parpack.changes 181 Bytes Download File
parpack.spec 9.01 KB Download File
parpack96.tar.bz2 171 KB Download File
parpack_pclos.patch 2.08 KB Download File
patch.tar.bz2 93.3 KB Download File
ppatch.tar.bz2 90.4 KB Download File

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