example_contour3.m

来自「基础程序」· M 代码 · 共 8 行

% example_contour3.m
% contour3函数绘制
[X,Y]=meshgrid([-2:.25:2]);
Z = X.*exp(-X.^2-Y.^2);
contour3(X,Y,Z,30)
surface(X,Y,Z,'EdgeColor',[.8 .8 .8],'FaceColor','none')
grid off
colormap hot