MATLAB: Plot multiple data in one plot using for loop

for loopplotting

I want to plot these 8 time series using for loop but it plots just the last one alone.

for i=1:8

plot(x,y{i},'LineWidth',2);

hold on

end

hold off

Best Answer

If you look the data in each cell closely infact they are all the same so all the plots overlap each other:

plot(x,[y{:}]) % you don't need a loop

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MATLAB: How to make only the second plot changing in a loop

imagesc(pher_mat)
hold on
%  figure(1)  % figure won't change unless somewhere else there's another referenced
for i=1:5000
  ... % whatever changes x,y here during the loop
end
plot(x,y)  % plot the last when the loop's done...

Leaves you with the visual as described -- now it the loop is very time-consuming, nothing shows until it's done, but if you don't want the intermediates to show, then don't plot 'em...

OTOH, you could "have your plot and eat it too", if you simply updated the [X|Y]Data property each pass--

imagesc(pher_mat)
hold on
i=1;
% do whatever needed for the first case to get x,y
hL=plot(x,y)  % create the first plot, save line handle
for i=2:5000  % now the rest in loop
  ... % whatever changes x,y here during the loop
  set(hL,'XData',x,'YData',y)  % and update each pass
end

You can also do things like compute mod(i,10), say, and do every 10th or whatever...

"Salt to suit!" :)

Best Answer

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MATLAB: How to make only the second plot changing in a loop

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