Block Davidson Algorithm



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 >From VANCAMP' at \`phs.uia.ac.be Wed May  8 09:21:46 1991
 >Date: Wed, 8 May 91 10:38 N
 >From: VANCAMP%phs.uia.ac.be' at \`OHSTVMA.ACS.OHIO-STATE.EDU
 >Subject: Block Davidson Algorithm
 >To: chemistry-request' at \`ccl.net
 Hi,
  Does anybody out there knows where I can find a good (i.e. efficientand  and
 a correct treatment of the degeneracies) implementation of the block Davidson
 method to determine a small number of the lowest eigenvalues and eigenvectors
 of a large Hermitian matrix.
 P. Vancamp
 University of Antwerp RUCA
 Applied Mathematics
 Groenenborgerlaan 171
 B - 2020   Antwerpen   Belgiouum
 Vvancamp' at \`banruc60.bitnet