Matlab：利用Matlab实现布朗运动模拟

Matlab：利用Matlab实现布朗运动模拟

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输出结果

实现代码

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