| 实对数导数及其应用 |
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| 引用本文： | 郑一. 实对数导数及其应用[J]. 青岛理工大学学报, 2003, 24(2): 82-86 |
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| 作者姓名： | 郑一 |
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| 作者单位： | 青岛建筑工程学院基础部,青岛,266520 |
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| 摘 要： | 证明了实对数导数在实数域内处理函数积、商、幂、方根及复合函数的计算公式 ,并把这些定理和公式应用到简化求导运算、误差估计和经济弹性分析中
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| 关 键 词： | 常义导数 实对数导数 误差估计 弹性分析 |
| 修稿时间： | 2002-09-02 |
On Real Logarithmic Derivative and Its Applications |
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| Zheng Yi. On Real Logarithmic Derivative and Its Applications[J]. Journal of Qingdao Technological University, 2003, 24(2): 82-86 |
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| Authors: | Zheng Yi |
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| Abstract: | In this paper, the formulas of real logarithmic derivative are proved in solving product, quotient, power, radical and composition of functions in the real domain. The theorems and formulas are applied in simply finding derivative, error estimate and economic elastic analysis. |
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| Keywords: | ordinary derivative real logarithmic derivative error estimate elastic analysis |
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