| Lagrange线性内插函数的实用表式及其推广应用 |
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| 引用本文： | 吴祥兴.Lagrange线性内插函数的实用表式及其推广应用[J].上海交通大学学报,1996,30(12):142-146. |
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| 作者姓名： | 吴祥兴 |
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| 作者单位： | 上海师范大学 |
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| 摘 要： | 该文导出了两维四节点和三维八节点Ｌａｓｒａｎｇｅ线性内插函数、适用于编程和计算的实用表示式，并给出其在时域有限差分法（ＦＤ－ＴＤ）计算角点辐射边界条件（ＲＢＣ）中的推广应用．
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| 关 键 词： | 内插函数 节点 时域有限差分法 |
Practical Expressions and Application of Lagrange Interpolate Function |
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| Wu Xiangxing.Practical Expressions and Application of Lagrange Interpolate Function[J].Journal of Shanghai Jiaotong University,1996,30(12):142-146. |
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| Authors: | Wu Xiangxing |
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| Institution: | Shanghai Normal University |
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| Abstract: | This paper derives a set of practical expressions of the Lagrange linear interpolate functions for the two-dimesion four nodes and three-dimension eight nodes. This expressions have been applied to calculate the radiation boundary conditions' (RBC) of the conner points in the finite-difference time-domain method. |
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| Keywords: | interpolate function node finite-difference time-domain method |
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