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Re: [cgal-discuss] Spectral Decomposition


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  • From: "Chaman Singh Verma" <>
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  • Subject: Re: [cgal-discuss] Spectral Decomposition
  • Date: Sun, 30 Nov 2008 19:32:35 +0530
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On Sun, Nov 30, 2008 at 6:33 PM, Pierre Alliez <> wrote:

I don't know if SuperLU can be used to extract few eigenvalues.  Is it possible ?
Arpack++ is based on pretty old compilers and despite my hard work, modifying
templates became a big headache.

no - superLU is only used internally by Arpack - you can replace this by TAUCS.

another solution is to use the Matlab engine and call eigs from your C++  software.


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Hello,

First of all, the templates in Arpack++ cribs a lot, along with tons of other message that comes from Arpack++. Yes, had LU were the only problem, I would have surely accept your suggestion.

I am not quite sure, but Octave or Scilab ( free versions of matlab ) cann't handle
large dataset.

Thanks.
csv





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