| 一阶全微分形式不变性在多元微分学中的应用 |
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| 引用本文： | 林先安.一阶全微分形式不变性在多元微分学中的应用[J].孝感学院学报,2004,24(6):49-51. |
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| 作者姓名： | 林先安 |
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| 作者单位： | 孝感学院,数学系,湖北,孝感,432000 |
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| 摘 要： | 利用一阶全微分形式不变性和多元函数全微分的四则运算法则，得到了求多元复合函数高阶偏导数的新方法。
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| 关 键 词： | 一阶全微分形式不变性 多元复合函数 偏导数 |
| 文章编号： | 1671-2544(2004)06-0049-03 |
The Application of the Preservation of the Form of the First Order Total Differential in the Differential Calculus for Multivariate Functions |
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| LIN Xian-an.The Application of the Preservation of the Form of the First Order Total Differential in the Differential Calculus for Multivariate Functions[J].JOURNAL OF XIAOGAN UNIVERSITY,2004,24(6):49-51. |
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| Authors: | LIN Xian-an |
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| Abstract: | Applying the preservation of the form of the first order total differential and the four arithmetic operations of the total differential for multivariate functions, a new method is gained to find the higher order partial derivative of multivariate composite functions. It is convenient and easy to solve the practical problems with the method. |
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| Keywords: | the preservation of the form of the first order total differential multivariate composite functions partial derivative |
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