中文说明：Matlab 程序示例代码从 2004 年 11 月起，"MATLAB 和电子信息课程中的"下载 dsk01 dsk02 改变了。采取只是很小的差异。主要变化是： 1.所有图形生成都取而代之的灰色和白色，具书到同一地图。2.删去几个无用的程序 ；3.在程序 （如 q48a 和 q48b），数目增加和书籍章节上示范行内容。
English Description：
MATLAB sample code from November 2004 onwards, "MATLAB and electronic information in the curriculum of" download dsk01 dsk02 changed. Taken only a very small difference. The major changes are : 1. All graphics generating replaced by gray and white, with the books to the same map. 2. By deleting a few useless procedures; 3. The increase in the number of procedures (such as q48a and q48b), and to book chapters on the demonstration line content.