The only algorithm I'm aware that it enhances is random walker segmentation. That said, it's of massive benefit to random walker. It is truly an optional dependency in that the algorithm transparently functions without it.

From a test matrix standpoint I'm not sure this warrants more than including it with current latest stable dependencies - but I believe there was once some difficulty getting it up and running in an efficient manner on Travis.

On Thu, Jun 28, 2018, 13:06 Mark Harfouche <mark.harfouche@gmail.com> wrote:

Hi all,

Should pyamg just be listed as an optional dependency? As far as i know, it is meant to speed up some scipy algorithms. Is there a reason it is not in there?

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