Numerical Inversion of Laplace Transforms Using Moment Method

Numerical Inversion of Laplace Transforms Using Moment Method
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DOI:
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发表时间:
2005
期刊:
Bulletin of Science and Technology
影响因子:
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通讯作者:
Xu Ding-hua
Xu Ding-hua
中科院分区:
其他
文献类型:
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作者:
Xu Ding-hua

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将拉普拉斯变换转化为Hausdorff矩问题。然后基于Hausdorff矩问题的稳定性算法,利用象函数F(s)的测量数据F(1),F(2),.,F(N+1),得到了逆拉普拉斯变换的数值解及其稳定性估计。数值仿真表明了该算法的有效性和实用性。
Laplace transforms are converted to Hausdorff moment problems. Then based on the stability algorithm of Hausdorff moment problems, the numerical solution of inversion Laplace transforms and its stability estimation are ob- tained by the measure data F(1), F(2), …, F(N+1)of the image function F(s). Numerical simulations show the efficien- cy and practicality of the algorithm.