Eigensystems in Fortran with MPI

From: Maxime Boissonneault (mboisso_at_poolexpert.com)
Date: 02/22/04


Date: Sat, 21 Feb 2004 20:15:34 -0500

Hello,
We want to diagonalize a matrix (so find its eigenvectors and eigenvalues)
on multiple processors. We want to use ScaLAPACK library to do so. However,
we have problems doing it. Does anyone have some examples of code that do
this ? Our matrix are hemitians.

-- 
Thank you,
Maxime Boissonneault
mboisso@poolexpert.com


Relevant Pages

  • Re: Eigensystems in Fortran with MPI
    ... Maxime Boissonneault wrote: ... > We want to diagonalize a matrix (so find its eigenvectors and eigenvalues) ... > on multiple processors. ...
    (comp.lang.fortran)
  • Re: solving this impasse could result in solving the Navier-Stokes
    ... where u is an incompressible flow field in wavenumber space and A ... where A_n are matrices that are a function of wavenumber alone and c_n ... eigenvectors of Ain can be a function of time. ... diagonalize nicely are completely correct, ...
    (sci.math)
  • Re: Matrix Diagonalization
    ... LAPACK and virtually everything else get that one wrong! ... Run it, extracting all eigenvectors, and see :-) ... then the routine will ignore the lower triangle of the ... input and diagonalize a unit matrix of dimension 2x2. ...
    (comp.lang.fortran)