[Haskell-cafe] Automated Differentiation of Matrices (again)

adam vogt vogt.adam at gmail.com
Mon May 11 22:29:01 UTC 2015

Hi Florian,

The restriction Edward described is gone: here's an unboxed vector of
<https://gist.github.com/aavogt/6bee72717148123a187c>. But I don't think
there's been any work to make hmatrix's Field class have a ForwardDouble
instance. I don't know of a ReverseDouble either.


On Mon, May 11, 2015 at 6:24 AM, Florian Hofmann <
fhofmann at techfak.uni-bielefeld.de> wrote:

> In [1](this) email thread Edward Kmett and Dominic Steinitz discuss the
> state of interoperability of `ad` and `hmatric` (or `repa`) with Edward
> hinting that the 4.0 line of `ad` might improve on the situation.
> Could someone elaborate on the state of affairs two years later?
> Florian
> [1]:
> https://mail.haskell.org/pipermail/haskell-cafe/2013-April/107561.html
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