free C code for large sparse matrix linear solver
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

Re: free C code for large sparse matrix linear sol
Try
1.PETSc: http://wwwunix.mcs.anl.gov/petsc/petscas/ 2.HYPRE: http://www.llnl.gov/CASC/linear_solvers/ 3. SuperLU: http://crd.lbl.gov/~xiaoye/SuperLU/ 
Re: free C code for large sparse matrix linear sol
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

Re: free C code for large sparse matrix linear sol
UMFPACK is quite simple but performs (if I'm not wrong) only direct LU decomposition. Luca

Re: free C code for large sparse matrix linear sol
please send me sparse matrix in c

Re: free C code for large sparse matrix linear sol

Re: free C code for large sparse matrix linear sol
> 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 
Re: free C code for large sparse matrix linear sol *NM*

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