huituldqm.m

包括MATLAB7.0实用指南（1）书中所有的例子的源代码。

z=peaks;
surf(z);
shading interp
hold on
[c ch]=contour3(z,20);
set(ch,'edgecolor','b');
[u v]=gradient(z);
h=streamslice(-u,-v);
set(h,'color','k')
for i=length(h);
    zi=interp2(z,get(h(i),'xdata'),get(h(i),'ydata'));
    set(h(i),'zdata',zi);
end
view(30,50);
axis tight