save animation ,i need help

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sofiane benhamza
sofiane benhamza 2020-9-23
回答： Peter O 2020-9-24
w=linspace(1,100,46);s=linspace(1,100,200);clf; %i made this simple animation , but i have no idea how to save it as a .gif or .wav, .mp4
for k=1:201 %i want it as an animation , i could even screen it , but it's gonna take time from me
axis([-101 101 -101 101]);set(gca,'color','k');hold on %thank you anyway
if k >= 32
plot(w(k)*cos(s),w(k)*.5*sin(s),'y--')
pause(.1)
else
plot(w(k)*cos(s),w(k)*sin(s),'y--')
pause(.1)
end
end

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回答（1 个）

Peter O
Peter O 2020-9-24
Sofiane,
Take a look at the VideoWriter and getFrame functions:
https://www.mathworks.com/help/matlab/ref/videowriter.html
Specifically, look at the "Create AVI File from Animation" example towards the bottom of the page. You can get an AVI or MP4 working pretty easily this way. After that it can be converted to an animated gif.
Hope this helps!

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