Dual numbers are a blast, especially with type-templated languages. I wrote a Scala implementation some time ago that I would like to share: http://www.win-vec

Dual numbers are a blast, especially with type-templated languages. I wrote a Scala implementation some time ago that I would like to share: http://www.win-vector.com/blog/2010/06/automatic-differentiation-with-scala/ http://www.win-vector.com/blog/2010/06/automatic-differentia...