www.gusucode.com > graphics 案例源码程序 matlab代码 > graphics/Create3DQuiverPlotExample.m
%% Create 3-D Quiver Plot % Define the data. % Copyright 2015 The MathWorks, Inc. x = -3:0.5:3; y = -3:0.5:3; [X,Y] = meshgrid(x, y); Z = Y.^2 - X.^2; [U,V,W] = surfnorm(Z); %% % Plot vectors with components |(U,V,W)| at points that are % equally spaced in the _x_-direction and _y_-direction with heights % determined by |Z|. figure quiver3(Z,U,V,W) view(-35,45)