Showing Legend of Plot of Array?
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I am trying to plot two arrays and display the legend but having trouble displaying each of the three elements in the figure.
The figure is correct, however, how can I create a legend for each of the 3 lines that are outputted in the form of Line_1 = [-8,-9] Line_2 = [-.8,-.9] Line_3 = [-9,.9]
t = 0:0.01:10;
A = [-8; -.8; .8];
B = [-9;-.9; .9];
m1 = .6;
m2 = -.8;
Y1 = (A*exp(-m1*t)) + (B*exp(-m2*t));
figure(1);
plot(t,Y1);
%legend('');
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Star Strider
2018 年 2 月 12 日
Try this:
figure(1);
plot(t,Y1);
lgnd = regexp(sprintf('Line %d = [%.1f %.1f]\n', [(1:3)' A B]'), '\n', 'split');
legend(lgnd(1:3), 'Location','SW');
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