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Issue:
Application of Aggregation of Differential Equation Systems to Ecology Systems
Author(s):
WANG Guoxia
,
QIN Shiyin
,
YIN Jinyu
Pages:
167
-
170
Year:
2003
Issue:
2
Journal:
JOURNAL OF BEIJING UNIVERSITY OF TECHNOLOGY
Keyword:
聚合
;
微分方程系统
;
生态系统
;
Abstract:
介绍了缩减基于微分方程系统规模和复杂度的一种方法--聚合.系统的微分方程包括:快速部分和慢速部分.假设快速部分是守恒的,则选择宏观层上相对快速部分不发生变化的量为聚合变量,运用快速推导法来缩减微观模型,并且介绍了此方法在生态系统中的应用实例.同时阐述了聚合模型表现出与原模型不同的行为特性,称为行为突现.
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