The strong convergence of the algorithm under a general choice for radius of trust region is proved.
在一个很广泛的信赖域半径选择规则下，证明了算法的强收敛性。
2
To find the solution of power series convergence domain, it is important to get its radius of convergence.
求幂级数收敛域最关键的是求它的收敛半径。
3
For solving the linear system with the iterative method, it is very important to estimate the spectral radius of the iterative matrices and give the convergence analysis.