中文说明： STM32制作的MP3的全部资料，有信道编码，调制，信道估计等，对信号进行频谱分析及滤波，包含光伏电池模块、MPPT模块、BOOST模块、逆变模块，该函数用来计算任意函数的一阶偏导数(数值方法),用MATLAB实现动态聚类或迭代自组织数据分析。
English Description：
STM32 produced all MP3 data, channel coding, modulation, channel estimation and signal spectrum analysis and filtering, contains a photovoltaic module, module MPPT, BOOST modules, inverter module, this function is used to calculate the first order partial derivatives of a function (method), using MATLAB to realize dynamic clustering analysis or iterative self organizing data.