Identifying a line in multiple plots

2022 6 10
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更新时间：2022 6 10
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I have code that plots all of my data as random colours and it works perfectly.
for t = 1:20
tempY = Sim_Graphs_Y{t,1};
txt = [num2str(t)];
plot(NewX,tempY,'Color',rand(1,3),'LineStyle','--','DisplayName',txt);
hold on
end
plot(NewX,ygraph1,'Color','r','LineStyle','-','DisplayName','Exp');
legend
savefig('weightingTEST.fig')
Is there a better way for me to be able to work out which line is which outside of just trying to match the colour as best i can?

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Kevin Holly
Kevin Holly 2022-6-10

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I made the app attached with App Designer. You could make a similar app to help you identify the selected lines. You can change the lines within the startup function.

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Image Analyst
Image Analyst 2022-6-10

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Not sure what that means. You can set a breakpoint on the plot line and see each curve right when it's plotted.
Debugging in MATLAB | Doug's MATLAB Video Tutorials
If you want you can, with sprintf(), create a cell array of strings inside the loop that describes the parameters of each curve and then give that cell array to legend()

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Ahh i probably explained that badly, i just want i would like to know which line is the one closest to the solid red line. And i was wondering if there was a better way for me to be able to see which line that is outside of trying to match the colour of the line to the colour in the legend.
Image Analyst
Image Analyst 2022-6-10
Not sure what "closed" means. To find the closest, compute the mean absolute deviation. There is a function mad
or
theMAD(t) = mean(abs(curve - redCurve));
and look for the min value
[minMad, indexOfMinMad] = min(theMAD)

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