该程序可实现求解线性方程组的功能，采用共轭梯度法求解线性方程组Ax=b的解 线性方程组的系数矩阵-The program enables the function for solving linear equations using the conjugate gradient method for solving linear equations Ax = b the solution , the coefficient matrix of linear equations

共轭梯度法解线性方程组，一般是对对称正定的方程，对一般方程也可以-The conjugate gradient method for solving linear equations, the general is symmetric and positive definite equation, also the general equation