How to customize Legends?

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JPS
JPS 2020-10-23
评论： JPS 2020-10-23
figure
plot(1 , theta_tip_analytical_c1 , 'ro')
hold on
plot(2 , theta_tip_analytical_c2 , 'ro')
plot(3 , theta20g , 'ro')
plot(4 , theta_tip_analytical_c4 , 'ro')
xlabel('case no')
ylabel('theta tip')
title('Theta Tip Comparison')
%legend('analytical theta tip')
plot(1 , theta_tip_numerical_c1 , 'bx')
plot(2 , theta_tip_numerical_c2 , 'bx')
plot(3 , theta20n_c3 , 'bx')
plot(4 , theta_tip_numerical_c4 , 'bx')
legend('analytical theta tip' , 'numerical theta tip')
hold off
I want to name all those points plotted in 'ro' format as legend1 and all those points plotted in 'bx' format as legend2. How to do it?

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采纳的回答

VBBV
VBBV 2020-10-23
编辑：VBBV 2020-10-23
Try this.. use handle structure as below
figure
p1 = plot(datax1,datay1 , 'ro')
hold on
plot(datax2,datay2, 'ro')
plot(datax3,datay3 , 'ro')
plot(datax4,datay4 , 'ro')
xlabel('case no')
ylabel('theta tip')
title('Theta Tip Comparison')
%legend('analytical theta tip')
p2 = plot(datax5,datay5, 'bx')
plot(datax6,datay6, 'bx')
plot(datax7,datay7, 'bx')
plot(datax8,datay8, 'bx')
legend([p1 p2],{'analytical theta tip' , 'numerical theta tip'})
hold off

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