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legend line color same

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Sean
Sean am 21 Mai 2023
Kommentiert: Sean am 25 Mai 2023
How to get different color in legend, getting same dashed green color for I3,I2 , should be as plotted I3 green and I2 to be blue
disp(f2);
plot( L_interp, I3, 'g--' ,L_interp, I2, 'b--',L_interp, I4, 'r--',L_interp, I, 'k--');
xlabel('wavelength');
ylabel('I');
legend('I3', 'I2');
Thank you
  4 Kommentare
Sean
Sean am 22 Mai 2023
i want colour of I3 and I2 same as in figure, i.e green and blue
Dyuman Joshi
Dyuman Joshi am 22 Mai 2023
As I requested above, please share you whole code.

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Akzeptierte Antwort

Nathan Hardenberg
Nathan Hardenberg am 22 Mai 2023
Your Code should work. I simplified it and ran it here (see below).
You can try the following:
clear % run this
clear 'all' % and also try this
% before you plot make a line like this (this forces a new figure)
figure(10); hold on; grid on; clf;
And also try restarting Matlab. If this also does not help you have to provide the whole code (as already suggested). Maybe you plot I3 before for some reason. This can be tested: Just enter more names in the legend:
legend('test1', 'test2', 'test3', 'test4', 'test5', 'test6', 'test7', 'test8')
The Code that works:
L_interp = linspace(0,10,10);
I3 = rand(1,10);
I2 = rand(1,10);
plot(L_interp, I3, 'g--', L_interp, I2, 'b--');
xlabel('wavelength');
ylabel('I');
legend('I3', 'I2');
  1 Kommentar
Sean
Sean am 25 Mai 2023
thank you, it worked
i used hold on
plot( L_interp, I3, 'g--');
hold on
plot(L_interp, I2, 'b--');

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Weitere Antworten (1)

Antoni Garcia-Herreros
Antoni Garcia-Herreros am 22 Mai 2023
Hello,
Try:
legend('I3', '','I2');
  1 Kommentar
Sean
Sean am 22 Mai 2023
i tried but got the same result as before.

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