使用切比舍夫光谱合法对分数麻疹流行病模型进行数值调查
Sagithya Thirumalai1, Şuayip Yüzbaşı2, Rajeswari Seshadri3
1School of Advanced sciences, Vellore Institute of Technology, Chennai, India.
Computer methods in biomechanics and biomedical engineering
|April 10, 2025
概括
本研究使用分数顺序的SEIR模型来分析麻疹传播动态. 频谱聚合法和PRCC方法揭示了影响疾病传播的关键参数,有助于控制策略.
科学领域:
- 流行病学 流行病学
- 数学生物学 数学生物学
- 动态系统 动态系统
背景情况:
- 麻疹在全球范围内仍然是一个重大的公共卫生问题.
- 了解疾病传播动态对于有效控制至关重要.
- 分数顺序模型为模拟疾病传播提供了更细致的方法.
研究的目的:
- 为了研究麻疹的分数顺序SEIR (易感-暴露-传染-恢复) 流行病模型.
- 分析关键流行病学参数对麻疹传播的影响.
- 为了评估这个模型的光谱调配技术的有效性.
主要方法:
- 构建一个分数级SEIR模型作为四个第一阶微分方程的系统.
- 使用切比舍夫多项式的光谱调配技术的应用.
- 使用多项式和回归系数 (PRCC) 方法来确定有影响力的参数.
主要成果:
- 该研究确定了各种参数对SEIR模型每个组件的影响.
- 药物治疗,康复,感染和转化率等关键参数显著影响疾病传播.
- 结果通过表格和图表进行视觉表现,以提高清晰度.
结论:
- 频谱配合方法在分析小数序流行病模型方面表现出高准确性和有效性.
- 这项研究为麻疹传播动态提供了宝贵的见解.
- 结果可以为控制和了解麻疹的公共卫生策略提供信息.
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