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In order to solve the sparse matrix linear equations problem in the simulation of area transportation activity, we provide here two process methods for sparse matrix in biological adaptive transport network model. At the end of this paper, we present a simple numerical example to show the efficiency of the methods we provide.
With the service economy and experience economy era, the Internet became the main platform for exchange of views on product and word of mouth. This paper sorts out previous researches on the E-WOM, corporate reputation and the relationship between purchase intention. Put forward the model of the relationship among the E-WOM, Corporate's reputation, Trust, Interaction mechanisms and purchase intention...
Pollution sources census and monitoring is one of the most important work in environment protection and management, which means a lot to environment planning and macro-control. Firstly, this paper analyzes the characteristics of pollution source census data and points out the similarity and common problems of existent environment information systems. Then proceeds to build a pollution sources census...
According to four indexes-land productivity, increase rate, labor productivity and commodity rate of farm products, this paper sets up a model of the large-scale agricultural structure of Henan province by means of the theory and method of multiple-target-situation decisions with a synthesized target. It puts forward reasonable patterns of agricultural development for various cities, and gives some...
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