www.gusucode.com > demos工具箱matlab源码程序 > demos/graf2d2.m
%% 3-D Plots % This example shows how to plot surfaces in MATLAB(R). % Copyright 1984-2014 The MathWorks, Inc. %% Mesh Plot of Peaks z = peaks(25); mesh(z); colormap(hsv) %% Surface Plot of Peaks z = peaks(25); surf(z); colormap(jet); %% Surface Plot (with Shading) of Peaks z = peaks(25); surfl(z); shading interp; colormap(pink); %% Contour Plot of Peaks z = peaks(25); contour(z,16); colormap(hsv) %% Quiver x = -2:.2:2; y = -1:.2:1; [xx,yy] = meshgrid(x,y); zz = xx.*exp(-xx.^2-yy.^2); [px,py] = gradient(zz,.2,.2); quiver(x,y,px,py,2); %% Slice [x,y,z] = meshgrid(-2:.2:2,-2:.25:2,-2:.16:2); v = x.*exp(-x.^2-y.^2-z.^2); xslice = [-1.2,.8,2]; yslice = 2; zslice = [-2,0]; slice(x,y,z,v,xslice,yslice,zslice) colormap hsv