modifying the legend for multiple plots

Question

MA 2021-11-6

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https://ww2.mathworks.cn/matlabcentral/answers/1580449-modifying-the-legend-for-multiple-plots

评论： Sulaymon Eshkabilov 2021-11-6

i am trying to plot som data that is divided into bins according to a time interval of 3 hours. i.e the first plot represent the data from 0:00am to 3:00 am and so on .

I would like to have the legend on each plot to display the interval of time that we are plotting. i.e instead of having 1,2,3.. displayed on each legend representing the bin number, we want to have the time interval of each bin ex: 0:00am- 3:00am, 3:00am - 6:00am and so on. how may we do that?

I attach a sample of how the plots looks like and the code I am using to generate them.

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Answer 1

Sulaymon Eshkabilov 2021-11-6

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https://ww2.mathworks.cn/matlabcentral/answers/1580449-modifying-the-legend-for-multiple-plots#answer_825274

在 MATLAB Online 中打开

You should introduce a new cell variable with legend names as you specified, e.g.:

TimeInterval = [{'0:00am- 3:00am'}, {'3:00am- 6:00am'}, {'6:00am- 9:00am'}, {'9:00am- 12:00pm'},...
                            {'12:00pm- 3:00pm'}, {'3:00am- 6:00pm'}];
uBin=unique(t1.Bin);
for i=uBin(:).'
nexttile
isBin=(t1.Bin==i);
scatter(t1.NE8(isBin),t1.GDALT(isBin),'.')
legend("Bin "+ TimeInterval{i}, 'Location','best')
xlabel('NE, units'),ylabel('GDALT, ft')
box on
xlim([0 3E12]);
ylim([100 2000]);
end