Automatic change of legend's arguments

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Sim 2022-10-5

评论： Les Beckham 2022-10-5

Let's consider this example:

labels = {'A','B','C'};
hold on
for i = [1 2 3]
    h(i) = plot(rand(10,1));
end
legend([h(1),h(2),h(3)],labels);

Now, I would like to plot only the first and the second plots, i.e.

hold on
for i = [1 3]
    h(i) = plot(rand(10,1));
end
legend([h(1),h(3)],labels);

Is there any automatic way to change the legend from

legend([h(1),h(2),h(3)],labels);

legend([h(1),h(3)],labels);

Basically, I just want to change the index of the plots

i = [1 3]

and get the correct labels.

Les Beckham 2022-10-5

编辑：Les Beckham 2022-10-5

labels = {'A','B','C'};

for i = [1 3]

h(i) = plot(rand(10,1), 'DisplayName', labels{i});

hold on

end

grid on

legend

Sim 2022-10-5

cool, thanks a lot!

Les Beckham 2022-10-5

You are quite welcome.

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