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实现代码
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7 v0 ~5 ]( X, ?+ O# g- n=40
- s=0.04
- x=rand(n,1)-0.5;
- y=rand(n,1)-0.5;
- h=plot(x,y,'.');
- axis([-1 1 -1 1])
- axis square
- grid off
- set(h,'EraseMode','xor','Markersize',12)
- while 1
- drawnow
- x=x+s*randn(n,1);
- y=y+s*randn(n,1);
- set(h,'XData',x,'YData',y)
- end6 E4 i' N) o* Y+ V, ~. D
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3 Q- G4 ?) C" M% U/ M$ P输出结果
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