RE: recursive function

[Windhorn, Allen E [ACIM/LSA/MKT]]

Ian et al,

> -----Original Message-----
> From: Help-octave [mailto:help-octave-
> address@hidden On Behalf Of Ian McCallion
> 
> function ret= f(x)
>     if x==1
>         ret = 100;
>     else
>         ret = (f(x-1)+200)*1.05;
>     end
> end

Try f(0), or f(1.5).  What should this function do with non-integer x? (Probably
just drop the fractional part.)  What about x<1?  (I guess return 100.)  If 
x>256,
crashes with maximum recursion error.

A good example for learning recursion, as it illustrates reasons not to use it.

Regards,
Allen