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More advise on libraries to solve linear system

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Old   May 18, 2000, 18:37
Default More advise on libraries to solve linear system
Ricardo Bonon
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Hello everybody,

what is the more suitable kind of solvers for linear systems to use with equations from finite element triangular discretizations, sparse iterative solvers or LU/Gauss factorization solvers?

Browsing through netlib, I found LAPACK is by far the most widely used library. Netlib also recommend meschach for C programmers. Both libraries are direct solvers, using LU factorization (if I am not wrong).

When it comes to the iterative solvers, the most cited are BlockSolve, IML++, etc ... and LASPack, the one I've tested without success.

So I ask you: what libraries do you use in your programs? What about it's stability and robustness? And its performance.

I know these are quite general questions, but any answer will help me.

Thank you!
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