各种fortran基础源代码,包括线性方程组求解，矩阵运算，矩阵特征值与向量等等问题的求解。-The various Fortran underlying source code, including solving linear equations, matrix operations, matrix eigenvalue vector problem solving.

利用雅克比计算矩阵的特征值与特征向量，相当于matlab里面的eig函数-Using Jacobi matrix eigenvalue and eigenvector, equivalent to the inside of the matlab with eig sells its function

用fortran求矩阵特征值（用QR法求解）-Matrix eigenvalue

是学习PCA特征提取的很好的学习资料，AHP层次分析法计算判断矩阵的最大特征值,包括AHP，因子分析，回归分析，聚类分析。- Is a good learning materials to learn PCA feature extraction, Calculate the maximum eigenvalue judgment matrix of AHP, Including AHP, factor analysis, regression analysis, cluster analysi

有循环检测，周期性检测，用于特征降维，特征融合，相关分析等,AHP层次分析法计算判断矩阵的最大特征值。- There are cycle detection, periodic testing, For feature reduction, feature fusion, correlation analysis, Calculate the maximum eigenvalue judgment matrix of AHP.