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.

引用

页数：12

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