分式直接传播霍乱疾病模型的数值性能:人工神经网络方法

Saadia Malik
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引用次数: 0

摘要

本次研究通过应用神经计算贝叶斯正则化(BR)神经网络过程,检验了基于霍乱直接传播的分数阶地方病模型的数值性能。目的是给出分数阶模型的数值解,与整数阶模型相比,分数阶模型提供了更精确的解。可以获得基于参数的实数值,利用这些数值可以获得更好的结果。分数直接传播霍乱疾病的数学形式分为易感、感染、治疗和康复,这代表了一种非线性模型。数据集的构建采用隐式 Runge-Kutta 方法,通过将 74% 的数据用于训练,8% 的数据用于验证和测试来减少均方误差。在随机神经网络过程中,隐层使用了 22 个神经元和对数拟合函数。为了解决霍乱疾病的直接传播问题,对 BR 进行了优化。随机过程的准确性通过对输出的估价得到验证,而计算出的绝对误差值可以忽略不计,这证明了该方法的正确性。此外,统计算子的性能也证明了建议方案的可靠性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Numerical Performance of the Fractional Direct Spreading Cholera Disease Model: An Artificial Neural Network Approach
The current investigation examines the numerical performance of the fractional-order endemic disease model based on the direct spreading of cholera by applying the neuro-computing Bayesian regularization (BR) neural network process. The purpose is to present the numerical solutions of the fractional-order model, which provides more precise solutions as compared to the integer-order one. Real values based on the parameters can be obtained and one can achieve better results by utilizing these values. The mathematical form of the fractional direct spreading cholera disease is categorized as susceptible, infected, treatment, and recovered, which represents a nonlinear model. The construction of the dataset is performed through the implicit Runge–Kutta method, which is used to lessen the mean square error by taking 74% of the data for training, while 8% is used for both validation and testing. Twenty-two neurons and the log-sigmoid fitness function in the hidden layer are used in the stochastic neural network process. The optimization of BR is performed in order to solve the direct spreading cholera disease problem. The accuracy of the stochastic process is authenticated through the valuation of the outputs, whereas the negligible calculated absolute error values demonstrate the approach’s correctness. Furthermore, the statistical operator performance establishes the reliability of the proposed scheme.
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