有向图的强连通分量算法的java语言实现，-directed graph algorithms strongly connected component of java language.

该代码主要实现以Guass列主元法求解方程组矩阵，编程平台vs2008，语言c-This code to realize Guass main component method is used to solve the equations listed matrix, programming platform vs2008, language c++

C++语言写的PCA降维算法，里面有两个主元分析C++代码-PCA language C++ dimensionality reduction algorithm, there are two principal component analysis C++ code