由离散解得到的非对称线性方程组，对于QPNS采用块三对角法，对于FNS采用GMRES算法。
The nonsymmetric and linear equations from the discrete solution are solved by using block tridiagonal systems for the QPNS equations and by GMRES algorithm for the FNS equations.
使用这个光电混合系统，用迭代法对一个4元线性方程组求解，实验结果与理论解比较，误差约为5%。
By using this system, a set of 4-dimensional equations are iteratively solved, and the experimental results show that the error of the solution is about 5% comparing with theoretical one.
然后用牛顿法求解这一非线性方程组，得到二次锥规划问题的最优解。
Then Newton's methods are applied to the system to obtain the optimal solutions of SOCP.
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