Error estimation and uncertainty quantification for first time to a threshold value
Error estimation and uncertainty quantification for first time to a threshold value
复制标题
首次达到阈值的误差估计和不确定性量化
DOI:
10.1007/s10543-020-00825-0
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发表时间:
2021
影响因子:
1.5
通讯作者:
Tavener, Simon J.
中科院分区:
文献类型:
--
作者:
Chaudhry, Jehanzeb H.;Estep, Donald;Stevens, Zachary;Tavener, Simon J.
Classical a posteriori error analysis for differential equations quantifies the error in a Quantity of Interest which is represented as a bounded linear functional of the solution. In this work we consider a posteriori error estimates of a quantity of interest that cannot be represented in this fashion, namely the time at which a threshold is crossed for the first time. We derive two representations for such errors and use an adjoint-based a posteriori approach to estimate unknown terms that appear in our representation. The first representation is based on linearizations using Taylor’s Theorem. The second representation is obtained by implementing standard root-finding techniques. We provide several examples which demonstrate the accuracy of the methods. We then embed these error estimates within a framework to provide error bounds on a cumulative distribution function when the parameters of the differential equations are uncertain.
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DOI:
10.1016/j.cam.2013.12.035
发表时间:
2014
期刊:
J. Comput. Appl. Math.
影响因子:
--
作者:
J. B. Collins;D. Estep;S. Tavener
通讯作者:
S. Tavener
影响因子:
1.5
作者:
J. Chaudhry;D. Estep;S. Tavener
通讯作者:
J. Chaudhry;D. Estep;S. Tavener
影响因子:
3.1
作者:
Estep, D.;Malqvist, A.;Tavener, S.
通讯作者:
Tavener, S.
DOI:
10.1137/17m112230x
发表时间:
2018
期刊:
SIAM/ASA Journal on Uncertainty Quantification
影响因子:
--
作者:
Chaudhry, Jehanzeb H.;Burch, Nathanial;Estep, Donald
通讯作者:
Estep, Donald
影响因子:
1.5
作者:
B. Bouchard;S. Geiss;E. Gobet
通讯作者:
E. Gobet