文档详细介绍了矩阵的LU分解，对于C编程者来说，是很好的理论知识的储备。-Document details the LU decomposition of the matrix for C programmers, it is a good theoretical knowledge of the reserves.

列主元消去法，LU分解,及最小二乘法的matlab- main Gauss method, LU triangular decomposition, Romberg (Romberg) algorithm, least square method Matlab procedures and operation results