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实现代码 O9 l. U! ?/ G* g
0 p: s* A! ^/ {0 S# T% h- 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)
- end# d% H4 V8 H. c
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8 P/ G/ y5 P& i; Z5 C输出结果% Y; H$ H3 A6 S3 I8 n
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