How can one show variable values in legend of a plot?

For title, I see that

https://www.mathworks.com/matlabcentral/answers/154272-input-a-variable-into-a-plot-title

plot((1:10).^2)
f = 70;
c = (f-32)/1.8;
title(['Temperature is ',num2str(c),' C'])

But I do not know how to make this work in case of legend with more than two labels. Please advise.

[alpedhuez]

legend1 = sprintf('Only Solar Generation[Integrated = %0.2f KW]', num1);
legend2 = sprintf('Whatever...%f', num2);
legend3 = sprintf('Whatever...%.1f', num3);
legend(legend1, legend2, legend3);

https://www.mathworks.com/matlabcentral/answers/472916-can-i-acess-value-of-variable-in-legend-of-plot

[dpb]

fmts = {'Only Solar Generation[Integrated = %0.2f KW]';
        'Whatever...%f';
        'Whatever...%.1f'};
nums=[a b c].';
legends=compose(fmts,nums);
hLg=legend(legends);

saves generating and having to use sequentially-named variables and the need to edit all of them in case something changes. This way all the edits are in one place and the number, order, etc., etc., etc., ... are all independent of the code--and vice versa.

Answer 1

[dpb]

Just build the desired string array -- num2str works nicely here alto you have to ensure the values are in a column vector to avoid them being all strung out in one long string instead of as an array...

labels=num2str([1:5].','Weather Station %d');
plot(randn(5))
legend(labels,'location','best')

results in

Or, you can use the 'DisplayName' property of each line when you plot and legends will show automagically.

[PRAJWAL KUMAR A]

Thank you. This works.

Answer 2

[Ameer Hamza]

Run this example

T = 1:3;
Legends = compose('Temp is %d', T);

hold on;
plot(rand(1,10));
plot(rand(1,10));
plot(rand(1,10));
legend(Legends)

[alpedhuez]

Thank you.