how to call back legend again

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areej abdulshaheed
评论： Rik 2019-4-2
I wanted to change the preporities of my legend. I don't remmemer what I did, but I think I made everything off and the legend disappaear and I can't call it back again
the following messege appaer every time I tried to insirt it
Attempt to execute SCRIPT legend as a function:
C:\Users\Areej\Desktop\matlab\legend.m
Error in insertmenufcn (line 61)
legend(cax,'off');
Error while evaluating ToggleTool ClickedCallback
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Rik
Rik 2019-4-2
'Answer' by areej abdulshaheed moved here:
I used this code
subplot 221
plot(time,Q1,'--',time,Q4,'.-',time,Q7)
xlabel('time'), ylabel('joint angle [rad]')
legend('\phi 1','\phi 2','\phi 3')
axis([0 20 -0.7 0.7])
Rik
Rik 2019-4-2
I can't reproduce this issue on my copy of R2015a with the code below.
%create a clean figure and some random data for debugging
figure(1),clf(1)
time=linspace(0,20,200);
Q1=0.6*sin(time);
Q4=0.6*sin(time+1);
Q7=0.6*sin(1.1*time);
subplot 221
plot(time,Q1,'--',time,Q4,'.-',time,Q7)
xlabel('time'), ylabel('joint angle [rad]')
legend({'\phi 1','\phi 2','\phi 3'})
axis([0 20 -0.7 0.7])

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