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Question: What am I missing to plot differential equations?

Question:What am I missing to plot differential equations?

ddklindt 5
July 08 2014
1

The following code will not produce a plot. My previous attempts with different equations have worked fine. What am I missing? Thanks for any help.

 

restart;
with(DEtools);

sys := diff(x(t), t) = 10*x(t)-3*x(t)^2-x(t)*y(t), diff(y(t), t) = 14*y(t)-3*y(t)^2-x(t)*y(t);

with(plots);
fcns := {x(t), y(t)}; p := dsolve({sys, x(0) = 10, y(0) = 15}, fcns, type = numeric, method = classical);

odeplot(p, [[t, x(t)], [t, y(t)]], 0 .. 14);
Please Wait...