Coarse-grained sensitivity for multiscale data assimilation

被引：1
|
作者：
Sugiura, Nozomi [1 ]
机构：
[1] Japan Agcy Marine Earth Sci & Technol, 2-15 Natsushimacho, Yokosuka, Kanagawa 2370061, Japan
来源：
PHYSICAL REVIEW E | 2016年 / 93卷 / 05期
关键词：
EQUATION;
D O I：
10.1103/PhysRevE.93.052212
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We show that the effective average action and its gradient are useful for solving multiscale data assimilation problems. We also present a procedure for numerically evaluating the gradient of the effective average action and demonstrate that the variational problem for slow degrees of freedom can be solved properly using the effective gradient.
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收藏
页数：12
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