| 改进简单催化模型中感染力函数的判别准则 |
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| 引用本文： | 李文潮 徐勇勇. 改进简单催化模型中感染力函数的判别准则[J]. 医学争鸣, 1992, 13(4): 271-274 |
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| 作者姓名： | 李文潮 徐勇勇 |
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| 作者单位： | 第四军医大学数学教研室(李文潮)，第四军医大学卫生统计学教研室(徐勇勇)，第四军医大学卫生统计学教研室(夏结来) |
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| 摘 要： |
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| 关 键 词： | 数学模型 流行病学 函数 催化模型 |
Discriminant criterion for choosing infective force functions of modified simple catalytic model |
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| LI Wen-Chao XU Yong-Yong and XIA Jie-Lai. Discriminant criterion for choosing infective force functions of modified simple catalytic model[J]. Negative, 1992, 13(4): 271-274 |
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| Authors: | LI Wen-Chao XU Yong-Yong and XIA Jie-Lai |
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| Affiliation: | LI Wen-Chao XU Yong-Yong and XIA Jie-Lai Department of Mathematics Department of Health Statistics |
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| Abstract: | This paper discusses the choice about infective force function [r(t)] of modified simple catalytic model(MSG model). The results indicate that r(t)can be determined by the distributions of three specific values called S, T and u. When the distribution of S value appears to be a constant, a straight line or a conic curve, the r(t) can be chosen correspondingly as a constant, a linear function or a conic function. When the distribution of T value is approximatively at a straight line, the r(t)will be chosen as an exponential function. When the u value appear to be a Logistic distribution, the Logistic function will be chosen as r(t). Finally, according to the real data, an example is given to demonstrate the choice of r(t) and to fit a MSG model. |
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| Keywords: | mathematic model epidemiology function catalytic model infective force |
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