MaplePrimes - answers and comments on Question, Polar plots for two differential equations

One way

Markiyan Hirnyk — Thu, 31 Jan 2013 19:56:51 Z

It can be done in such a way.

>k:=dsolve({sys,cond},funcs,numeric);
proc(x_rkf45) ... end;
> k(1);

>plots[odeplot](k,[r(t)*cos(phi(t)),r(t)*sin(phi(t))],0..Pi,scaling=constrained);

polarodeplot.mw

Reference

Markiyan Hirnyk — Thu, 31 Jan 2013 20:24:44 Z

This was asked and answered in http://www.mapleprimes.com/questions/133621-How-To-Plot-With-DEplot-And-Odeplot . That link can be found by the "odeplot" search in MaplePrimes at the top of this page.