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首页> 外文期刊>International Journal of Applied Engineering Research >A Policy to Eradicate Tumor in a Discrete-Continuous Immune Cell-Tumor Cell-Drug Administration Model with the Help of Stability Analysis and Bifurcation Analysis of the Model
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A Policy to Eradicate Tumor in a Discrete-Continuous Immune Cell-Tumor Cell-Drug Administration Model with the Help of Stability Analysis and Bifurcation Analysis of the Model

机译:在模型的稳定性分析和分岔分析的帮助下,在离散连续免疫细胞 - 肿瘤细胞 - 药物管理模型中消除肿瘤的政策

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摘要

In this paper we have analyzed an immune cell-tumor cell model of Lotka-Voltera type with the control policy in the form of chemotherapy. We derived the conditions for the stability of the tumor free equilibrium point. Investigation regarding the possible bifurcation types was carried out for the system and it was observed that the system exhibits a transcritical bifurcation and undergoes period doubling route to chaos as the control parameter is varied. Combining the results of stability analysis and bifurcation analysis we determined a range for the rate of drug administration to eradicate the tumor completely. Numerical simulations were performed to observe the qualitative behaviour of the system as the control parameter is varied.
机译:在本文中,我们已经分析了Lotka-Voltera类型的免疫细胞 - 肿瘤细胞模型,并以化疗的形式进行了控制政策。 我们衍生出肿瘤自由平衡点稳定性的条件。 对系统进行了有关可能分叉类型的研究,并观察到该系统表现出跨临界分叉并且经历与对照参数变化的混沌的倍增途径。 结合稳定性分析和分叉分析的结果,我们确定了药物管理速率的范围,以完全消除肿瘤。 执行数值模拟以观察系统的定性行为,因为控制参数变化。

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