Hello everyone How could I get a video of the following animation?

Question

Juan David Parra Quintero 2022-9-23

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回答： Image Analyst 2023-9-11

Hello everyone How could I get a video of the following animation? The code is presented below the input vectors.. Any suggestion would be appreciated. Greetings.

figure()
t0001= [  -2  -1.9  -1.8  -1.7  -1.6  -1.5  -1.4  -1.3  -1.2  -1.1  -1  -0.9  -0.8  -0.7  -0.6  -0.5  -0.4  -0.3  -0.2  -0.1  0  0.1  0.2  0.3  0.4  0.5  0.6  0.7  0.8  0.9  1  1.1  1.2  1.3  1.4  1.5  1.6  1.7  1.8  1.9  2  ]; 
nc0001_1 = [  -0.99767992  -0.88465003  -0.50773837  0.02062628  0.54283833  0.90312743  0.99402317  0.78841229  0.34762635  -0.19685286  -0.68261294  -0.96475679  -0.95912388  -0.66739444  -0.1765883  0.36689228  0.80093276  0.99606345  0.89407894  0.52540013  0  -0.52540013  -0.89407894  -0.99606345  -0.80093276  -0.36689228  0.1765883  0.66739444  0.95912388  0.96475679  0.68261294  0.19685286  -0.34762635  -0.78841229  -0.99402317  -0.90312743  -0.54283833  -0.02062628  0.50773837  0.88465003  0.99767992  ]; 
n=length(t0001);
i=1;
while i<n
    
    p=plot(t0001(1:i),nc0001_1(1:i));
    set(gca,'FontSize',FS)
    xtickformat("%.1f")
    ytickformat("%.3f")
    xlabel("Time, t(s)");
    ylabel("Elevation free surface, n(m)");
    leg=legend("Free surface",'Location','north','Orientation','horizontal');
    leg.ItemTokenSize = [x1, x2];
    legend('boxoff'); 
    i=i+1;
    xlim([2, 10]);
    ylim([-0.025, 0.025]);
    pause(0.01);
end

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Geoff Hayes 2022-9-23

@Juan David Parra Quintero - I don't see calls to plot or equivalent in the above code so it is unclear what is being animated? As for creating a video, you may want to check Create AVI File from Animation for example code for creating a video.

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Answer 1

Pratheek 2023-9-11

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Hello @Juan David Parra Quintero,

I understand you want to get a video for an animation. One easy way to do this using Live Editor in Matlab.

Run your script in the Live Editor, after running your script you will get an option to export the animation (bottom left corner) in '.avi' format. I'm attaching a screenshot for your reference.

If you are using the same code to get the video, change the xlim accordingly.

Hope this helps you.

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Answer 2

Image Analyst 2023-9-11

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Use writeVideo. See attached examples where I change a plot/graph/surface plot and make a movie out of the individual frames. It will be easy for you to adapt it to your equations.