Introduction - If you have any usage issues, please Google them yourself
To do pattern classification (for example, fingerprint identification, face recognition), a need to deal with the problem is very large dimension, often millions of people face-dimensional, the current capacity of the computer fast enough to calculate such a high-dimensional data. PCA is a dimensionality reduction of the method, it can be high dimensional data is mapped to a lower dimension space to consider.
Packet : 67506280matlab_pca.rar filelist
Matlab版PCA算法.txt