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作者们前文颇为详尽地阐述了经济系统建模的概貌,还较全面地讨论了不同社会经济系统数学模型的若干重要论题。本文进一步作出各种现有线性多变量计量经济模型的状态空间实现的比较性研究,特别是指明其优缺点。为了赋予实现过程和有关概念以明确的经济意义,文中详细列举了控制和经济两大领域内不同概念之间的对应关系。除引进ε-最小维实现的新概念之外,最后还结合我国具体条件和实现算法提出有关我国经济建模研究的意见。
The author’s preface elaborated the overview of economic system modeling in detail, and also discussed some important topics of mathematical models of different socio-economic systems in a more comprehensive manner. This article further makes a comparative study of the state space realization of various existing linear multivariable econometric models, especially pointing out their advantages and disadvantages. In order to give the realization process and related concepts a clear economic meaning, the article lists in detail the correspondence between different concepts in the two major areas of control and economy. In addition to the introduction of the new concept of ε-minimal dimension, we finally put forward the opinions on the research of China’s economic modeling based on the specific conditions and the algorithm of our country.