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on 1 Nov 2021
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%Example 1:
figure('Color',[.8 .2 .2])
hold
% polygon
xv = rand(10,1); yv = rand(10,1);
xv = [xv ; xv(1)]; yv = [yv ; yv(1)];
x = rand(6e4,1); y = rand(6e4,1);
[in,on] = inpolygon(x,y,xv,yv);
plot(xv,yv,x(in),y(in),'.w',x(~in),y(~in),'.b','LineW',13,'MarkerSi',6)
% x(on),y(on),'-b','LineW',13,'MarkerSi',4)
axis off