[Haskell-cafe] Sparse vector operations

[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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