How to extract one plot from multiple plots?

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Romio
Romio 2020-7-7
评论： Tony 2023-7-13
If I have subplot of 8 plots, How can I plot, say, the second plot on a seperate figure?

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回答（1 个）

Tommy
Tommy 2020-7-8
Assuming you have the figure handle, how about something like this?
% setup
f = figure;
for idx = 1:8
ax = subplot(4,2,idx);
plot(ax, rand(5));
end
clear idx ax
% copy, using only f
N = 2; % number of subplot to copy
f2 = figure;
referenceAx = axes(f2, 'Visible', 'off'); % to steal the Position from
newAx = copyobj(f.Children(end+1-N), f2);
newAx.Position = referenceAx.Position;
delete(referenceAx)
Maybe creating the invisible temporary axes is unnecessary, just seemed like an easy way to get the default size. Of course you don't have to reposition the axes at all if you don't want. Or an alternative would be to copy each child of axes #2 to the new set of axes.

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