集成了C代码和MATLAB的主成分分析代码，可以用这两种方法解决求取特征值和特征向量。-C code and MATLAB integrates principal component analysis code, you can use two methods to solve strike eigenvalues ​ ​ and eigenvectors.

Multivariate least squares fitting method of nonlinear equations, Including stochastic gradient algorithm, the relative gradient algorithm, Gabor wavelet transform and PCA face recognition code.