Put a cell into a title in plot

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Ivan Mich
Ivan Mich 2020-6-3
编辑： Ivan Mich 2020-6-3
Hello,
I have a code that creates some calculations and finally exports multiple plots(images). I would like for each one plot to create a title which will contain some numbers from a file. The file I mentioned is 25x1 cell.
To sum up, I would like for each plot the title to be: plot1, plot2, ... plot25
I have tried :
suptitle('plot',cellstr(St{i}))
and
suptitle('plot',char(St{i}))
but I did not make it.
Could you help me?
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Barry
Barry 2020-6-3
Sr=regexp(fileread('data'), '\r?\n', 'split') .';
for i=1:size(St);
..........
figure
plot(x,y,'b')
title(['Plot ', Sr{i}])
end
I also would use the readmatrix('data') function instead of this regexp function.
But this should do the trick. You have to use the String concat [ ... ] expression to concatenate the Plot and the number together.

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回答（1 个）

dpb
dpb 2020-6-3
Sr=regexp(fileread('data.txt'), '\r?\n', 'split') .'; % reads as a string, not numeric
for i=1:size(St); % size() returns a 2-vector; what's St ???
..........
Presuming one of the St or Sr variables above is a typo,
Sr=importdata('data.txt'); % read the data as numeric, not text...
for i=1:numel(Sr)
..........
figure
plot(x,y,'b')
title(compose('Plot: %d',Sr(i))) % num2str or sprintf work, too...
end

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