subplot doesn't hold when plotting in for loop

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kukke swaroop
kukke swaroop 2016-5-16
评论： kukke swaroop 2016-5-16
I'm trying to subplot many signals with time in a single figure using subplot by using command 'hold on' in a for loop.
Ex: x is a structure with time
s=[];
plotpos=0.85;
for i=1:10;
s(i)=subplot(10,1,i,'Position', [0.175, plotpos, 0.8, 0.115]);
hold (s(i),'on'); grid on;
plot(x.time,x.signals.values(:,i))
plotpos=plotpos-0.14;
end
It deletes the previous subplots and adds a new one at next position instead of holding all previous subplots and adding new ones at new position.

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采纳的回答

Jan
Jan 2016-5-16
Create the axes at first:
s = [];
plotpos = 0.85;
for i = 1:10
s(i) = axes('Position', [0.175, plotpos, 0.8, 0.115], ...
'NextPlot', 'add', ... % as done inside HOLD command
'Grid', 'on');
plotpos = plotpos-0.14;
end
Draw afterwards as often as you want:
for k = 1:10
plot(x.time, x.signals.values(:, k), 'Parent', s(k));
end

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