Put a cell into a title in plot

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Ivan Mich 2020-6-3

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/541238-put-a-cell-into-a-title-in-plot

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 2020-6-3

在 MATLAB Online 中打开

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.

Ivan Mich 2020-6-3

编辑：Ivan Mich 2020-6-3

Thank you !!!

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回答（1 个）

dpb 2020-6-3

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/541238-put-a-cell-into-a-title-in-plot#answer_445577

在 MATLAB Online 中打开

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