I have attached a fig file in which I have used 3 legends for upper, middle and lower curve, respectively. Actually, there are six lines in each curve but I want each curve to look like a single line. How is it possible using fig file.

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Sajid Sarwar 2019-7-4

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https://ww2.mathworks.cn/matlabcentral/answers/470208-i-have-attached-a-fig-file-in-which-i-have-used-3-legends-for-upper-middle-and-lower-curve-respect

评论： Star Strider 2019-7-4

comp25.fig

I have attached a fig file in which I have used 3 legends for upper, middle and lower curve, respectively. Actually, there are six lines in each curve but I want each curve to look like a single line. How is it possible using fig file.

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Answer 1

Star Strider 2019-7-4

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https://ww2.mathworks.cn/matlabcentral/answers/470208-i-have-attached-a-fig-file-in-which-i-have-used-3-legends-for-upper-middle-and-lower-curve-respect#answer_381953

在 MATLAB Online 中打开

Try this:

I = openfig('comp25.fig');
Ax = gca;
lgnd = Ax.Legend;
Lines = findobj(Ax,'Type','line');
for k1 = 1:fix(numel(Lines)/6)                              % Consider 6 ‘Lines’ In Each Iteration
    for k2 = 1:6
        X(k2,:) = Lines(k2+(k1-1)*6).XData;                 % Get ‘X’ Values For This Set
        Y(k2,:) = Lines(k2+(k1-1)*6).YData;                 % Get ‘Y’ Values For This Set
    end
    Xm(k1,:) = X(1,:);                                      % X-Vector (For Plot)
    Ym(k1,:) = mean(Y);                                     % Y-Vector (For Plot) - Uses ‘mean’, ‘median’ Or Others May Be Appropriate As Well
end
figure
semilogy(Xm', Ym')
grid
legend(Ax.Legend.String)
xlabel(Ax.XLabel.String)
ylabel(Ax.YLabel.String)