On 19 Mag, 12:07, luca <luca.frammol...@gmail.com> wrote: > Hi, > > suppose i have a matrix M X N of reals. This matrix is sparse. Every > row has only 3 non zero values (they are always -1, 2, -1). The M and > N are on the order of 600-800. > > Is there a fast library (way) to solve a sparse linear system A X = B, > where the matrix A is of the type defined below?? > > I need a library writte in C/C++ that is possibly portable. > > Thank you, > Luca
Soory, the matrix A has NOT that form. But it is sparse.