In "Fifty Shades of J" chapter 23, the Newton Raphson algorithm is described thusly:
Newton =: adverb : ']-u%(u D.1)'(^:_)("0) How would that be defined using the new derivative verbs? Also, what is the replacement for d.? How would I find the roots of (x^x)=2*x using Newton Raphson? Skip Skip Cave Cave Consulting LLC ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm