%% show Guass Templateclc;clearvars;close all;%G(x,y,\sigma)=frac{1}{2 \pi \sigma^2} e^{-(x^2+y^2)/{2 \sigma^2}}pi=3.1415926;[x,y]=meshgrid(-10:1:10);sigma=1.6;G=1/(2*pi*sigma^2)*exp(-(x.^2+y.^2)/(2*sigma.^2));figure(1);subplot(2,2,1);surface(x,y,G);subplot(2,2,3);mesh(x,y,G);sigma=0.5;G2=1/(2*pi*sigma^2)*exp(-(x.^2+y.^2)/(2*sigma.^2));subplot(2,2,2);surface(x,y,G2)subplot(2,2,4);mesh(x,y,G2);saveas(gcf,'gauss_template.png');