clear all
clf
X=-5:0.05:5;

[x y]=meshgrid(X,X);
var=0.5;
miu=rand(3,2);
figure(1)
hold on
plot(0,0,'r*');
for i=1:3
   rb=gauss2d(x,y,miu(i,:),var);
   d(i)=gauss2d(0,0,miu(i,:),var);
   contour(x,y,rb,5)
   line([0 miu(i,1)],[0 miu(i,2)])
   s=sprintf('%.2f',d(i));
   text(miu(i,1), miu(i,2),s)
end


hold off