ex2504.m

rgb 绘图问题 是matlab方面的

%例25-4 不指定颜色索引数组的映射索引着色
%Ex25-4 Scale-Mapping Indexed Coloring (Without color matrix)
clear
close all
[x1,y1]=meshgrid(-1:0.1:0);
z1=zeros(size(x1));
[x2,y2]=meshgrid(0:0.1:1);
z2=ones(size(x2));
x=[x1 x2];y=[y1 y2];z=[z1 z2];
surf(x,y,z)
colormap(cool)
colorbar