中文说明：
有关气象海洋常用的EOF和SVD的matlab程序，包括前期处理数据，进行EOF分解和SVD分解的关键步骤以及检验过程。
English Description：
The matlab program about EOF and SVD, which are commonly used in meteorology and oceanography, includes the pre-processing data, the key steps of EOF decomposition and SVD decomposition, and the inspection process