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Re: Plotting a function dynamically in a loop
*To*: mathgroup at smc.vnet.net
*Subject*: [mg112908] Re: Plotting a function dynamically in a loop
*From*: "Nasser M. Abbasi" <nma at 12000.org>
*Date*: Tue, 5 Oct 2010 05:36:43 -0400 (EDT)
*References*: <i8c8ub$g9p$1@smc.vnet.net>
*Reply-to*: nma at 12000.org
On 10/4/2010 3:06 AM, ABHIJIT BHATTACHARYYA wrote:
> Hi!
>
> Let us consider that I have one 3D array ex[[i,j,k]] which is computed
> in time loop as given here.
>
> alfa=0.3; beta=0.4; gamma== 0.5;=0A For[time=0, time<= maxtime, time++,
> Do[ex[[i,j,k]] = alfa*i+beta*j+gamma*k, {i,1,imax}, {j,2,jmax+1},{k,1,kmax}]
>
> (* Plot ex[[]]= dynamically *)
> ]
>
> What I want is that I like to plot ex[[i,j,k]] at every time step in a single plot so that plot is revealed as a movie. Is it possible in
> mathematica?
>
> Regs
> Abhijit Bhattacharyya
And here is a bouncing ball simulation I wrote sometime ago. Not sure
now if this is the best way to do these thing, but it might be of help
----- bouncing ball --------
x = RandomReal[{-0.9, 0.9}];
y = RandomReal[{-0.9, 0.9}];
r = 0.1;
g = Disk[{x, y}, r];
Dynamic[Refresh[
Graphics[g,
ImageMargins -> 0,
Frame -> True,
ImagePadding -> 1,
PlotRangeClipping->False,
PlotRange->1],
UpdateInterval -> $TimeUnit,
TrackedSymbols -> {g}
],
SynchronousUpdating -> True
]
simulationTime = 1000;
dx = 0.01; dy = 0.01;
(* run the simulaltion *)
For[k = 1, k <= simulationTime, k++,
{g = Disk[{x += dx, y += dy}, r];
FinishDynamic[]; (*to eliminate flicker*)
If[Abs[x] >= 0.9, dx = -dx];
If[Abs[y] >= 0.9, dy = -dy];
Pause[$TimeUnit*2]
}
]
----------------------------
--Nasser
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