此程序用fortran语言编写，主要功能是用乘幂法求矩阵的最大特征根。-This procedure used fortran language, the main function is used by power-law matrix of the largest eigenvalue.

Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Welcome to download the study, Calculated transmission characteristics and reflection characteristics of the one-dimensional photonic crystals.

Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Calculate the maximum eigenvalue judgment matrix of AHP, This is the second energy entropy matlab code.