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I'm running a script which repeatedly calls a function I wrote (using a for loop). In this function there is a command to plot some data, save it to a .jpg, save the workspace to a .mat, then close the figure.
If I run the function on its own it does all this perfectly, but when I run the script, the function plots the image, saves it, but doesn't close it. The figure hangs there until it's time to plot it again in the next iteration.
I can't work out why MATLAB is not processing this command.
side question: is there a way to plot an image, save it, but not actually have it pop up? This code takes hours to run and it keeps minimising my screen when I'm watching the TV!
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I assume a DRAWNOW after closing the figure might solve the problem.
Opening new figures needs a lot of time. It is much faster to open one figure only and update the axes only, or even better the drawn object:
tic; for i = 1:100 FigH = figure; plot(1:10, rand(1, 10)); drawnow; delete(FigH); end toc; % >> Elapsed time is 15.660328 seconds.
tic; FigH = figure; LineH = plot(1:10, rand(1, 10)); for i = 1:100 set(LineH, 'YData', rand(1, 10)); drawnow; end toc; % >> Elapsed time is 0.914224 seconds.