www.pudn.com > 实验7-线形拟合.rar > rosen073.m

[x,y]=meshgrid(-2:0.1:2,-3:0.1:3); 
z=100*(y-x.^2).^2+(1-x).^2; 
contour(x,y,z,30) 
temp=colormap; 
%colormap(hsv) 
xlabel('x轴') 
ylabel('y轴') 
pause 
colormap([0.49,1,0.83]) 
surfl(x,y,z) 
%mesh(x,y,z) 
title('Rosenbrock图形') 
xlabel('x轴') 
ylabel('y轴') 
pause 
colormap(temp)