# Question:Plotting ODE solutions with parameters

## Question:Plotting ODE solutions with parameters

Maple

I'm trying to plot the varying results to a second degree differential function with different values for one constant in one graph. Here is what I have so far, which is already working.

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> with(plots);
> m := 0.46e-1; d := 0.42e-1; v := 60; alpha0 := convert(12*degrees, radians); g := 9.81; pa := 1.205; cd := .2; n := 4000; omega := 2*Pi*(1/60);

> p := 6*m/(Pi*d^3);

> k1 := (3/4)*cd*pa/(d*p); k2 := (3/8)*omega*n*pa/p;

> gl1 := vx(t) = diff(x(t), t);

> gl2 := vy(t) = diff(y(t), t);

> gl3 := diff(vx(t), t) = -k1*vx(t)*(vx(t)^2+vy(t)^2)^(1/2)-k2*vy(t);

> gl4 := diff(vy(t), t) = -g-k1*vy(t)*(vx(t)^2+vy(t)^2)^(1/2)+k2*vx(t);

> init1 := x(0) = 0;
> init2 := y(0) = 0;
> init3 := vx(0) = v*cos(alpha0);
> init4 := vy(0) = v*sin(alpha0);
> sol := dsolve({gl1, gl2, gl3, gl4, init1, init2, init3, init4}, {vx(t), vy(t), x(t), y(t)}, type = numeric);

> sol(.5);
> odeplot(sol, [x(t), y(t)], t = 0 .. 6.7);

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What I'd like to do now is, for example, plot the solutions in one graph (preferably as a gif) for when n=1500, n=3000, n=4500 etc. Is there a simple way to achieve this? I've tried various methods so far without success.

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