与理论分析结果相比，该函数用来计算任意函数的一阶偏导数(数值方法),对于初学matlab的同学会有帮助。- Compared with the results of theoretical analysis, This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Matlab for beginner students

包含特征值与特征向量的提取、训练样本以及最后的识别，该函数用来计算任意函数的一阶偏导数(数值方法),基于matlab平台实现。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, This function is used to calculate the arbitrary function of the first order partial