MATLAB繪製空間域高斯函數

<span style="font-family: Arial, Helvetica, sans-serif;">x=[-100:1:99];</span>

y=x;
[X,Y]=meshgrid(x,y);
for k=1:1:200
    for m=1:1:200
        D(k,m)=(k-100)^2+(m-100)^2;
    end 
end 
H=exp(-D/2/100);
surf(X,Y,H);