In this paper,we studied iterative method for solving nonlinear equations and obtained step-adjusting Newton method.Second-order convergence and global convergence are also proved in different conditions.%本文研究了求解非线性方程组的迭代解法,提出了一种调整步长牛顿法。证明了该算法在不同条件下的二阶收敛性和大范围收敛性。
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