高斯求解线性方程组fortran代码，参考至彭国伦的书籍-Gauss fortran code for solving linear equations, reference books to Peng Guolun

用于解线性方程组的迭代法，包括jacobi，gauss，sor，共轭等方法-For solving linear equations of iterative method, including jacobi, gauss, sor, conjugated