Why am I getting this error : "Warning: Imaginary parts of complex X and/or Y arguments ignored " .
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close all;
clc;
t = (0:pi/3:2*pi);
r = 2;
cx = r*sqrt(3)*cos(pi/2+1i*pi/3);
cy = r*sqrt(3)*sin(pi/2+1i*pi/3);
ax = cx+r*cos(t);
ay = cy+r*sin(t);
plot(ax,ay);
grid on;
for i=0:6
cx = r*sqrt(3)*cos(pi/2+1i*pi/3);
cy = r*sqrt(3)*sin(pi/2+1i*pi/3);
ax = cx+r*cos(t);
ay = cy+r*sin(t);
plot(ax,ay);
hold on;
plot(-9+ax, ay-1.8);
hold on;
plot(9+ax, ay+1.8);
hold on;
plot(6-ax,ay-6.9);
grid on;
text(-0.2,0,'A');
text(-0.2,3.5,'B');
text(-3.2,1.75,'C');
text(-3.2,-1.75,'D');
text(-0.2,-3.5,'E');
text(2.8,-1.75,'F');
text(2.8,1.75,'G');
text(5.8,-7,'A');
text(5.8,-3.5,'B');
text(2.8,-5.3,'C');
text(2.8,-8.75,'D');
text(5.8,-10.5,'E');
text(8.8,-8.75,'F');
text(8.8,-5.25,'G');
text(8.8,1.75,'A');
text(8.8,5.25,'B');
text(5.8,3.45,'C');
text(5.8,0,'D');
text(8.8,-1.75,'E');
text(11.8,0,'F');
text(11.8,3.5,'G');
text(-9.2,-1.75,'A');
text(-9.2,1.75,'B');
text(-12.2,0,'C');
text(-12.2,-3,5,'D');
text(-9.2,-5.3,'E');
text(-6.2,-3.5,'F');
text(-6.2,0,'G');
end
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