资 源 简 介
a=2;b=2;clf;x=-a:0.2:a;y=-b:0.2:b;for i=1:length(y) for j=1:length(x) if x(j)+y(i)>1 z(i,j)=0.5457*exp(-0.75*y(i)^2-3.75*x(j)^2-1.5*x(j)); elseif x(j)+y(i)<=-1 z(i,j)=0.5457*exp(-0.75*y(i)^2-3.75*x(j)^2+1.5*x(j)); else z(i,j)=0.7575*exp(-y(i)^2-6.*x(j)^2); end endendaxis([-a,a,-b,b,min(min(z)),max(max(z))]);colormap(flipud(winter));surf(x,y,z);
