| 离散形式的洛必达法则 |
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| 引用本文： | 齐金全.离散形式的洛必达法则[J].西安石油大学学报(自然科学版),1992(2). |
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| 作者姓名： | 齐金全 |
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| 作者单位： | 西安石油学院基础课部 |
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| 摘 要： | 求不定型极限问题是高等数学中的一个重要内容,而洛必达法则是求这种极限的一种有力手段。本文把利用导数求不定型极根改为利用差分求不定型极限并给出两个基本定理,从而解决了一些通常洛必达法则不能解决的求极限问题。
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| 关 键 词： | 离散形式 [洛必达法则] 差分 |
L'Hopital's Rule in Discrete Form |
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| Oi Jinquan.L'Hopital's Rule in Discrete Form[J].Journal of Xian Shiyou University,1992(2). |
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| Authors: | Oi Jinquan |
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| Institution: | Dept. of Basic Courses |
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| Abstract: | In this paper, the way of solving the limit of" indeterminate form" problems by using derivatives is changed to that by using difference, and two basic theorems similar to L'Hopital's rule are given. The limit of some "indeterminate form" problems remained unsolvable by L'Hopital's rule, can thus be calculated. |
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| Keywords: | discrete form L' Hopital's rule difference |
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