www.gusucode.com > 《matlab图像处理与界面编程宝典》秦襄培 编著，每章的MATLAB源代码程序 > 第5章/代码5-18.txt

    
RGB=reshape(ones(64,1)*reshape(jet(64),1,192),[64,64,3]);
R=RGB(:,:,1);
G=RGB(:,:,2);
B=RGB(:,:,3);
imshow(R)
figure, imshow(G)
figure, imshow(B)
figure, imshow(RGB)