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free C code for large sparse matrix linear solver

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Old   May 3, 2007, 12:43
Default free C code for large sparse matrix linear solver
  #1
ztdep
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Hi: Friends, i am busy with developing a CFD code with c++ language and Finite Volume Method. So would you please give me some information about the free code for large sparse matrix linear solver. Regards
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Old   May 3, 2007, 12:56
Default Re: free C code for large sparse matrix linear sol
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Dominic
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Try

1.PETSc: http://www-unix.mcs.anl.gov/petsc/petsc-as/

2.HYPRE: http://www.llnl.gov/CASC/linear_solvers/

3. SuperLU: http://crd.lbl.gov/~xiaoye/SuperLU/

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Old   May 3, 2007, 20:42
Default Re: free C code for large sparse matrix linear sol
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ztdep
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Thank you very much for your quick response, but i think it need time to master the packaes that you just mentioned. I want to know if there are some easy to study codes. regards
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Old   May 4, 2007, 16:19
Default Re: free C code for large sparse matrix linear sol
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Luca
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UMFPACK is quite simple but performs (if I'm not wrong) only direct LU decomposition. Luca
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Old   May 18, 2007, 11:00
Default Re: free C code for large sparse matrix linear sol
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ankit
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please send me sparse matrix in c
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Old   May 18, 2007, 11:27
Default Re: free C code for large sparse matrix linear sol
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agg
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http://www.cs.sandia.gov/CRF/aztec1.html
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Old   May 21, 2007, 04:11
Default Re: free C code for large sparse matrix linear sol
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Rami
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> please send me sparse matrix in c Here is a sample sparse matrix (in C, fortran, whatever)

1 0 0

0 2 0

0 0 3

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Old   May 24, 2007, 14:14
Default Re: free C code for large sparse matrix linear sol *NM*
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rturtu
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