中文说明： 在matlab环境中自动识别连通区域的大小,DC-DC部分采用定功率单环控制，课程设计时编写的matlab程序代码，包括广义互相关函数GCC时延估计，计算互信息非常有用的一组程序,复化三点Gauss-lengend公式求pi。
English Description：
Size of the automatic identification of connected regions in the MATLAB environment, DC-DC converter using power single-loop control, design of the course writing Matlab code, including generalized cross correlation function of GCC TDE, computing mutual information is very useful for a group of programs, complex of three Gauss-lengend formula of PI.