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I keep on getting the error in my code that says: DEplot(0 = 300*x(t)+(-x(t), -t

ID: 2980595 • Letter: I

Question

I keep on getting the error in my code that says: DEplot(0 = 300*x(t)+(-x(t), -t), diff(x(t), t, t)+39.68*(x(t)/(x(t)^2+y(t)^2)^(3/2) = 0), diff(y(t), t, t)+39.68*x(t)/(x(t)^2+y(t)^2)^(3/2) = 0, [x(t), y(t)], t = 0 .. .7, [[x(1) = -5.71113, y(1) = 2.80924]], scene = [x(t), y(t)], arrows = thin, linecolor = red, stepsize = 0.5e-2) "Error, (in DEtools/DEplot) vars must be declared as a list, e.g. [x(t),y(t),...]" All of my delimiters and other things are in the right place, the only error is the placement of my variables (so far). Which Variables do I need to put in the list and where do I put them? I'm completely new to maple so links and general hints probably won't work. I'd really just like it if you edited my script with the required variables.

Explanation / Answer

This may help u. Read full
(> with(DEtools);

# to formulate the commands which will throw the answer to the screen. )