antonvs8

4 ms·

1. 1.▲
   by antonvs8 14y ago

   I wasn't insisting on lists, but on square brackets, to match McCarthy's syntax. This golf game has strict rules! If we drop the brackets we may as well go the whole way and use curried functions, in which case the diff function looks like
2. 2.▲
   by antonvs8 14y ago

   I live about two hours away, more by public transport, and don't get in to the city much. I'll try to make a meeting in 2013...
3. 3.▲
   by antonvs8 14y ago

   Good tip in general. Symbolic differentiation was McCarthy's motivation in 1960. My own motivation was nothing more sophisticated than "I wonder how much Haskell can look like M-expressions, without resorting to Template Haskell?"