xx=-2:0.1:2;
yy=-3:0.2:3;
[gx,gy]=meshgrid(xx,yy); %格子
gc=zeros(size(gx));
pcolor(gx,gy,gc)
colormapgray
%x不能超过xx的范围,y不能超过yy的范围
n=200;
x=4*rand(n,1)-2;
y=6*rand(n,1)-3;
fori=1:n
ii=find(x(i)gx(1,:));
jj=find(y(i)gy(:,1));
gc(jj(1),ii(1))=gc(jj(1),ii(1))1;
pcolor(gx,gy,gc)
pause(0.1);
end
看看
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