Practical Variance Reduction via Regression for Simulating Diffusions
Practical Variance Reduction via Regression for Simulating Diffusions
复制标题
通过模拟扩散的回归来减少实际方差
DOI:
10.1137/060674661
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发表时间:
2009
影响因子:
2.9
通讯作者:
Milstein G
中科院分区:
文献类型:
--
作者:
Milstein G
The well-known variance reduction methods—the method of importance sampling and the method of control variates—can be exploited if an approximation of the required solution is known. Here we employ conditional probabilistic representations of solutions together with the regression method to obtain sufficiently inexpensive (although rather rough) estimates of the solution and its derivatives by using the single auxiliary set of approximate trajectories starting from the initial position. These estimates can effectively be used for significant reduction of variance and further accurate evaluation of the required solution. The developed approach is supported by numerical experiments.
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DOI:
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发表时间:
1997
期刊:
影响因子:
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作者:
Nigel J. Newton
通讯作者:
Nigel J. Newton
影响因子:
4
作者:
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DOI:
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1994
期刊:
SIAM J. Appl. Math.
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作者:
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通讯作者:
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1999
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发表时间:
2002
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作者:
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通讯作者:
J. Schoenmakers