So on a tangent, does anybody have a nice article on numerical methods with Haskell? I've used Haskell for other things, but I've never endeavored to try doing

So on a tangent, does anybody have a nice article on numerical methods with Haskell? I've used Haskell for other things, but I've never endeavored to try doing any sort of heavy number crunching because it seemed a bit weird. My standard test is implementing GMRES. I gave it some thought once and I couldn't come up with a non-awkward way to do it in Haskell. Mostly I get caught up on how to do the Arnoldi process as it requires lots of manipulation of submatrices. I couldn't ever seem to find a library that was nice for matrix manipulation. What do people mostly use? Also, what's the idiomatic way to do nitty-gritty matrix operations? Entrywise manipulation of a matrix doesn't seem very Haskell-ish to me, but it's not something you can really avoid in this application.