中文说明：这是Matlab的一个经典的代码，它是对人的学习动力分配在MIMO复用通信系统中非常有用。注水算法是用于MIMO功率分配，这也很容易实现非常重要。
English Description：
This is a claasical code of Matlab, it is very useful for guys learning power accolation in MIMO multiplex communication system. Waterfilling gorithm is very important for MIMO power accolation which is also easy to implented.