There have many papers for its local convergence, This paper probes into the semi-local convergence using a majorant function principle on some weak condition.
在已有的基础上探讨了它的半局部收敛性，利用强函数原理，在一定的条件下给出并证明不精确牛顿法的半局部收敛性。
In chapter 2, three kinds of planar mappings are discussed. We reduce the existence of analytic invariant curves of iterative functional equation by means of majorant series.
本文的第二章讨论了三类平面映射的解析不变曲线，用优级数方法讨论了不变曲线迭代函数方程解析解的存在性。
In chapter 2, three kinds of planar mappings are discussed. We reduce the existence of analytic invariant curves of iterative functional equation by means of majorant series.
本文的第二章讨论了三类平面映射的解析不变曲线，用优级数方法讨论了不变曲线迭代函数方程解析解的存在性。
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