| 可微函数鞍点识别的条件 |
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| 引用本文： | 赵振虎 任二民. 可微函数鞍点识别的条件[J]. 河北师范大学学报(自然科学版), 1996, 20(3): 16-18 |
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| 作者姓名： | 赵振虎 任二民 |
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| 作者单位： | 河北师范大学计算机科学系 |
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| 摘 要： | 列举了Ｗｉｓｍｅｒ等人所给的鞍点识别充分条件的反例，并给出了正确的鞍点识别条件。
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| 关 键 词： | 鞍点 极值点 可微函数 |
A Necessary and Sufficient Condition for the Existence of a Solution to an Operator Equation |
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| Mao Erwan. A Necessary and Sufficient Condition for the Existence of a Solution to an Operator Equation[J]. Journal of Hebei Normal University, 1996, 20(3): 16-18 |
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| Authors: | Mao Erwan |
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| Abstract: | In this paper,We give a necessary and sufficient condition for the existence of a solution to an operator equation in a Banach space,The result obtaied correct some errors in 4 . |
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| Keywords: | solution of an equation existence |
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