Argument-Recursive Computation of Legendre Polynomials with Applications in Computational Electromagnetics

Argument-Recursive Computation of Legendre Polynomials with Applications in Computational Electromagnetics
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勒让德多项式的自变量递归计算及其在计算电磁学中的应用

DOI:
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发表时间:
2006
期刊:
IEEE Antennas and Propagation Society International Symposium
影响因子:
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通讯作者:
L. Klinkenbusch
L. Klinkenbusch
中科院分区:
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文献类型:
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作者:
J. Adam;L. Klinkenbusch

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本文提出了一种计算区间(0,1)上的勒让德多项式Pn(t)及其导数Pn(t)的t-递归算法。讨论了其数值性质,并给出了计算电磁学中的相关例子。特别地,该方法非常适合于增强最近提出的基于球多极子的时域近场到远场变换算法
We introduce an efficient t-recursive algorithm to compute Legendre polynomials Pn(t) and their derivatives Pn(t) on the interval (0, 1) with fixed order nisinN. The numerical properties are discussed and related examples in Computational Electromagnetics are given. In particular, this method is well suited to enhance a recently proposed spherical-multipole based time-domain near-to-far-field transformation algorithm