Recursive functions and Advanced Graphing

[ijabbott]

(09-11-2018 12:34 PM)Sven44 Wrote:  (Motivation: what I really want to do is define mandelbrot(N, Z, C)= when(N<2, |Z|<2, mandelbrot(N-1, Z^2+C),C), and plot mandelbrot(20, 0, X+Yi)=1 ! :-) )

Since it's tail recursive, can't you do it by iteration instead of by recursion?