how can save different plot with different names file in loop use fullfile ?

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Muhannad Saleh
Muhannad Saleh 2021-3-11
回答： Bjorn Gustavsson 2021-3-11
i have a loop have spectrogram to plot and i need save the plots with different names
for
...
...
spectrogram(M1,'yaxis')
filename = fullfile('path','file.jpg');
exportgraphics(gca,filename);
end
how can save plots with different file name

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采纳的回答

Bjorn Gustavsson
Bjorn Gustavsson 2021-3-11
Simply modify the filename:
for idx_loop = % whatever you have
...
...
spectrogram(M1,'yaxis')
filename = fullfile('path',sprintf('file-%04d.jpg',idx_loop));
exportgraphics(gca,filename);
end
You can obviously modify the filename using any other changing parameter, but this should give you filenames of the type:
file-0001.jpg, file-0002.jpg etc. See help for sprintf and fprintf for more details of the string-generation you can utilize.
HTH

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