Martin Rubey wrote: > Carlos Córdoba<[email protected]> writes: > >> Anyway, the use of anonymous functions is mostly useful on constructs >> that operate over lists, like map and reduce. In 10 years of using >> Mathematica I've ever needed to derive this kind functions, but >> nevertheless I've checked if it's possible, and indeed it is, for >> example >> >> D[(#^2)&[x], x] >> >> gives 2*x. > > I don't think that this implies that anonymous functions are symbolic, > since (#^2)&[x] gives already x^2. MMA's evaluation rules are tricky > though, I do not know whether D evaluates all it's arguments before > calling. >
I truly hope this 'hocus pocus' will never make it in Sage! Jaap > Martin > -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
