c1_1_4.m

该文件主要包括了matlab的一些主要应用例程!对学习matlab很有帮助

%filename:c1_1_4.m
x=-2:0.5:2;
y=-2:0.5:2;
[x,y]=meshgrid(x,y);
z=x.*y.*exp(-x.^2-y.^2);
T=-2:0.1:2;
[Xi,Yi]=meshgrid(T,T);
Zi=interp2(x,y,z,Xi,Yi);
figure(1)
mesh(Xi,Yi,Zi);
hidden off
hold on
plot3(x,y,z,'*')
hold off
figure(2)
Zt=Xi.*Yi.*exp(-Xi.^2-Yi.^2);
mesh(Xi,Yi,Zt);
hidden off