New package for drawing direction fields with gnuplot



On 11/18/10, Adam Majewski <adammaj1 at o2.pl> wrote:

>  Error in PROG [or a callee]: The variable $MAKE_F_RK_4 is unbound.

> Maxima version: 5.20.1

I suspect this is a bug in the Maxima -> Lisp translation code,
which was fixed a while ago. Maybe you can try it again with
a newer version of Maxima. Or, if not, just comment out the
call to compile make_f_rk_4.

best,

Robert Dodier