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Many legend on a figure

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David Hastana
David Hastana 2020-2-26
评论： David Hastana 2020-2-26
Hello ,
I would like to put 3 legend and 3 curves on the same figure, I tried this:
figure(1)%
plot(t,I(:,2),'b','linewidth',1.5);grid on
legend('ids');
xlabel('time[sec]');
ylabel('Courant ids');
hold on
plot(t,I(:,3),'r','linewidth',1.5);grid on
legend('iqs');
xlabel('time[sec]');
ylabel('Courant iqs');
hold on
plot(t,I(:,4),'g','linewidth',1.5);grid on
legend('if');
xlabel('time[sec]');
ylabel('Courant if');
but it does not work.
Do you have a solution ?
  3 个评论
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Jeremy
Jeremy 2020-2-26
Why do you want separate legends though? You can have one legend statement at the end with all 3 linestyles described
David Hastana
David Hastana 2020-2-26
for example, in the preceding example, I want to display id (blue line), iq (red line) and if (green line)
like iqk, i also want ids, iqs, if ...

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回答（1 个）

Walter Roberson
Walter Roberson 2020-2-26
Why should anyone answer this question when it is almost certain that you will attempt to get rid of the question afterwards?

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