[Haskell-cafe] Sparse vector operations

[Don Stewart]

You might be duplicating the functionality of an existing library.

There are existing libraries for vectors (though not sure if blas
supports sparse vectors well?).

    http://hackage.haskell.org/cgi-bin/hackage-scripts/package/blas
    http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hmatrix

-- Don

grzegorz.chrupala:
> 
> Hi all,
> In a couple of my projects I have needed to perform operations on (very)
> sparse vectors.
> I came up with the attached simple module which defines a typeclass and
> implements instances for
> simple and nested (Int)Maps.
> Is this the right way to go about it? Am I reinventing some wheels?
> Comments welcome.
> Best,
> --
> 
> Grzegorz
> 
> http://www.nabble.com/file/p22247686/SparseVector.hs SparseVector.hs 
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