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Re: Animate parametric plot of two lists?
*To*: mathgroup at smc.vnet.net
*Subject*: [mg132313] Re: Animate parametric plot of two lists?
*From*: lyubov78 at gmail.com
*Date*: Sat, 8 Feb 2014 04:01:49 -0500 (EST)
*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com
*Delivered-to*: l-mathgroup@wolfram.com
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*References*: <h31upo$bss$1@smc.vnet.net>
Hola!
Dear Porscha!
You wrote "When I have explicit formulas for two functions of time, it's simple
to animate the parametric plot of them by using ParametricPlot inside
Animate."
But I cannot manage it, Mathematica always gives error when I want to animate the solution of differential equation, which depends on p and the ParametricPlot which depends on p also:
Animate[ParametricPlot[{Evaluate[{y[p], x[p]} /. sol =
NDSolve[...some big equation...], x[1] == -1,
y[1] == -1}, {y[p], x[p]}, {p, 1, Tp}]]}, {p, 1, Tp}], {Tp, 1,
100}]
Thank you!!!
On Wednesday, July 8, 2009 1:09:44 PM UTC+2, Porscha Louise McRobbie wrote:
> Hello,
>
> When I have explicit formulas for two functions of time, it's simple
> to animate the parametric plot of them by using ParametricPlot inside
> Animate.
>
> I'd like to create a similar animation now, but using two lists of
> numbers. Apparently there is no function such as ListParametricPlot.
>
> Below a roundabout way I found (I want to show both a dashed line and
> a point tracing out the curve in time). Is there a better way to do
> this? I'd like to be able to include many more frames, and this method
> seems inefficient.
>
> Any suggestion/help is appreciated.
>
> Porscha
>
>
>
> (*Animate a parametric plot from two lists*)
> In[1]:= f[t_] := Cos[t]
> In[2]:= g[t_] := Sin[t]
>
> In[27]:= list1 = Table[f[t], {t, 0, 2 Pi, .1}];
> In[28]:= list2 = Table[g[t], {t, 0, 2 Pi, .1}];
>
> In[29]:= n = Length[list1];
> In[30]:= plotdat = Thread[{list1, list2}];
> In[31]:= frame = ConstantArray[0.0, n];
>
> In[32]:= Do[
> frame[[j]] =
> Show[ListLinePlot[plotdat[[1 ;; j]], PlotStyle -> {Red, Dashed},
> PlotRange -> {{-1.2, 1.2}, {-1.2, 1.2}}],
> ListPlot[plotdat[[1 ;; j]],
> PlotRange -> {{-1.2, 1.2}, {-1.2, 1.2}},
> PlotMarkers -> {Automatic, 12}]], {j, 1, n}]
>
> In[33]:= ListAnimate[frame]
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