摘要本文在点估计判据下，证明了带不可微项方程简化Ｎｅｗｔｏｎ法的收敛性，推广了文［１］的工作，改善了文［２］的结果。In this paper,the convergence of chord method for the equations with nondifferential term is proved under the conditions which depend only on the point estimate data.
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