一个近似熵的源代码，一个熵代码，主要运行环境：matlab.第一个主要用与生物信号的检测,主要用于生物医疗工程的信号处理方面。（由matlab高手编）-An approximate entropy of the source code, an entropy code, the main operating environment: matlab. The first major use with the bio-signal detection, mainly for biomedical s