Plotting a Legend on a Graph

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Tom
Tom 2020-2-3
回答： KSSV 2020-2-4
I have some code for the following plot: however, when I try to introduce the legend for some reason it gives properties A and B for a square in both cases even though the plots includes points which are circles and others which are squares.
figure
% plot(Rv, ur(Rm,Knm))
hold on
plot(0.0014,403.07,'bs')
% plot(0.00008875,403.07,'bs')
plot(0.0014,662.18,'bs')
plot(0.0007 ,662.18,'bs')
plot(0.0014 ,878.11,'bs')
plot( 0.0007, 878.11,'bs')
plot(0.0014,1122.83,'bo')
plot( 0.0007 ,1122.83,'bs')
plot(0.0014 , 1317.16,'bo')
plot(0.0007,1317.16,'bs')
plot(0.00056,1317.16,'bs')
plot(0.000866,1317.16,'bo')
plot(0.001057,1317.16,'bo')
plot(0.0014 ,1662.65,'bo')
plot(0.0007044,1662.65,'bs')
plot(0.000563,1662.65,'bs')
plot(0.0004226,1662.65,'bs')
plot(0.0002817,1662.65,'bs')
plot(0.0001409,1662.65,'bs')
plot(0.001409,2152.09,'bo')
plot(0.0007044,2152.09,'bo')
plot(0.000563,2152.09,'bs')
plot(0.0004226,2152.09,'bs')
plot(0.0002817,2152.09,'bs')
plot(0.0002113,2152.09,'bs')
plot(0.0001409,2152.09,'bs')
plot(0.001427,2545.36,'bo')
plot(0.001427,2459.07,'bo')
plot(0.001427,2214.61,'bo')
plot(0.001427,9958.53,'bo')
plot(0.001427,9563.07,'bo')
plot(0.001427,9390,'bo')
plot(0.001427,9045,'bo')
plot(0.0008452,10152,'bo')
plot(0.0007043,10152,'bo')
plot(0.0005635,10152,'bo')
plot(0.0004226,10152,'bo')
plot(0.0002817,10152,'bo')
plot(0.0008452,9239,'bo')
plot(0.0007043,9239,'bo')
plot(0.0005635,9239,'bo')
plot(0.0004226,9239,'bo')
plot(0.0002817,9239,'bo')
grid
%lgdc = sprintfc('K_n = %3.1f', Knv);
lgd = legend('A','B');

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采纳的回答

KSSV
KSSV 2020-2-4
A = [0.0014,403.07,
0.00008875,403.07,
0.0014,662.18,
0.0007 ,662.18,
0.0014 ,878.11,
0.0007, 878.11,
0.0007 ,1122.83,
0.0007,1317.16,
0.00056,1317.16,
0.0007044,1662.65,
0.000563,1662.65,
0.0004226,1662.65,
0.0002817,1662.65,
0.0001409,1662.65,
0.000563,2152.09,
0.0004226,2152.09,
0.0002817,2152.09,
0.0002113,2152.09,
0.0001409,2152.09] ;
B = [0.0014,1122.83,
0.0014 , 1317.16,
0.000866,1317.16,
0.001057,1317.16,
0.0014 ,1662.65,
0.001409,2152.09,
0.0007044,2152.09,
0.001427,2545.36,
0.001427,2459.07,
0.001427,2214.61,
0.001427,9958.53,
0.001427,9563.07,
0.001427,9390,
0.001427,9045,
0.0008452,10152,
0.0007043,10152,
0.0005635,10152,
0.0004226,10152,
0.0002817,10152,
0.0008452,9239,
0.0007043,9239,
0.0005635,9239,
0.0004226,9239,
0.0002817,9239] ;
figure
hold on
plot(A(:,1),A(:,2),'bs')
plot(B(:,1),B(:,2),'bo')
legend('A','B')

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