ss1 = NDSolve[{x'[t] == (1 - (x[t]^2 + y[t]^2))*x[t] + ω[t]*y[t] + 1.3*Sin[11*t],
y'[t] == (1 - (x[t]^2 + y[t]^2))*y[t] - ω[t]*x[t],
ω'[t] == 1.3*Sin[11*t]*y[t]/(Sqrt[x[t]^2 + y[t]^2]),
x[0] == 1, y[0] == 0, ω[0] == 2}, {x, y, ω}, {t, 0, 200*Pi}];
Animate[
Show[
ParametricPlot[
Evaluate[{x[t], y[t]} /. ss1], {t, tmax - 1, tmax},
PlotStyle -> {Thick, Green}, PlotRange -> 1.4, AspectRatio -> 1,
PerformanceGoal -> "Quality"
],
Graphics[{PointSize[.03], Red, Point@{x[tmax], y[tmax]} /. ss1}, PlotRange -> 1.4],
ParametricPlot[
Evaluate[{x[t], y[t]} /. ss1], {t, 626, 200*Pi},
PlotRange -> 1.2, PlotStyle -> {Thick, Orange},
ImageSize -> Medium, Frame -> True,
FrameLabel -> {{Style["V", Bold], None}, {Style["X", Bold], None}}
]
],
{tmax, 1, 200*Pi}, DefaultDuration -> 200 π, AnimationRate -> 0.03
]
I would like to export my animation as a GIF (a good visualization for presentation). I tried a lot of different ways of making it work but unfortunately I could not make it.