Animating plot in a for loop
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I have the following figure and i want to animate it with addpoints but couldn't work it out.
dy is the displacement from an ode solver, which is a matrix of 549x4 doubles and n = 2, so i only plot the dy(:,3) and dy(:,4)
2 Comments
Image Analyst
on 16 Jan 2021
I don't know. MATLAB cannot convert your image into code. Attach your code so we can run it. What is "addpoints" - is that a built-in or custom function? Attach dy in a .mat file. Make it easy to help you not hard.
Accepted Answer
Cris LaPierre
on 16 Jan 2021
6 Comments
Cris LaPierre
on 16 Jan 2021
Edited: Cris LaPierre
on 16 Jan 2021
It's easier to debug one thing at a time. Once you have the ode working, then focus on the animation. It's usually a good idea to only include in the for loop code that needs to be run multiple times. The title, labels, and grid commands can be set once, so move those before the loop.
It is my suspicion you will have to create an animated line for each subplot.
Here is a simplified working example that you can modify to your needs.
L=animatedline;
axis([ti,tf,-4,4])
title(['Response q',num2str(i)]);
xlabel('Time, seconds'); ylabel('Displacement, m');
grid on;
for i = 1:length(dy)
addpoints(L,t(i),dy(i,1));
drawnow
end
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