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相关论文: Fractional Logistic Growth with Memory Effects: A …

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Providing diagnostic feedback about growth is crucial to formative decisions such as targeted remedial instructions or interventions. This paper proposed a longitudinal higher-order diagnostic classification modeling approach for measuring…

统计方法学 · 统计学 2018-09-19 Peida Zhan , Hong Jiao , Dandan Liao

We examine the fractional derivative of composite functions and present a generalization of the product and chain rules for the Caputo fractional derivative. These results are especially important for physical and biological systems that…

经典分析与常微分方程 · 数学 2019-01-10 Gavriil Shchedrin , Nathanael C. Smith , Anastasia Gladkina , Lincoln D. Carr

Establishing appropriate mathematical models for complex systems in natural phenomena not only helps deepen our understanding of nature but can also be used for state estimation and prediction. However, the extreme complexity of natural…

机器学习 · 计算机科学 2024-03-27 Cheng Fang , Jinqiao Duan

Fractional dynamics is a field of study in physics and mechanics investigating the behavior of objects and systems that are characterized by power-law non-locality, power-law long-term memory or fractal properties by using integrations and…

综合物理 · 物理学 2015-03-12 Vasily E. Tarasov

In the paper we deal with linear fractional control problems with constant delays in the state. Single-order systems with fractional derivative in Caputo sense of orders between 0 and 1 are considered. The aim is to introduce a new…

数值分析 · 数学 2024-12-20 Josef Rebenda , Zdeněk Šmarda

An adaptive finite difference scheme for variable-order fractional-time subdiffusion equations in the Caputo form is studied. The fractional time derivative is discretized by the L1 procedure but using nonhomogeneous timesteps. The size of…

数值分析 · 数学 2024-09-20 Joaquín Quintana-Murillo , Santos Bravo Yuste

In the paper an efficient semi-analytical approach based on the method of steps and differential transformation is proposed for numerical approximation of solutions of retarded logistic models of delayed and neutral type, including models…

数值分析 · 数学 2019-01-14 Josef Rebenda , Zdeněk Šmarda

We consider the evolution of correlation functions in a non-Markov version of the contact model in the continuum. The memory effects are introduced by assuming the fractional evolution equation for the statistical dynamics. This leads to a…

数学物理 · 物理学 2014-12-02 Anatoly N. Kochubei , Yuri G. Kondratiev

Research focus on optimal control problems brought on by fractional differential equations has been extensively applied in practice. However, because they are still open-ended and challenging, a number of problems with fractional…

种群与进化 · 定量生物学 2023-04-25 Samuel Okyere , Joseph Ackora-Prah , Kwaku Forkuoh Darkwah , Francis Tabi Oduro , Ebenezer Bonyah

Managing stock efficiently remains a core issue in modern logistics, where companies must reconcile cost efficiency with dependable service despite unpredictable market conditions. Conventional models often overlook the direct connection…

最优化与控制 · 数学 2026-04-14 Tianxiao Sun , Noah Schwarzkopf

Fractional gradient descent has been studied extensively, with a focus on its ability to extend traditional gradient descent methods by incorporating fractional-order derivatives. This approach allows for more flexibility in navigating…

机器学习 · 计算机科学 2024-11-25 Teodor Alexandru Szente , James Harrison , Mihai Zanfir , Cristian Sminchisescu

Transportation occupies one-third of the amount in the logistics costs, and accordingly transportation systems largely influence the performance of the logistics system. This work presents an adaptive data-driven innovative modular approach…

人工智能 · 计算机科学 2020-01-08 Emir Zunic , Dzenana Donko , Emir Buza

Modeling of phenomena such as anomalous transport via fractional-order differential equations has been established as an effective alternative to partial differential equations, due to the inherent ability to describe large-scale behavior…

偏微分方程分析 · 数学 2021-10-25 Jorge Suzuki , Mamikon Gulian , Mohsen Zayernouri , Marta D'Elia

We propose a probabilistic framework for developing computational models of biological neural systems. In this framework, physiological recordings are viewed as discrete-time partial observations of an underlying continuous-time stochastic…

神经元与认知 · 定量生物学 2026-02-10 Ahmed ElGazzar , Marcel van Gerven

The generalized diffusion equations with fractional order derivatives have shown be quite efficient to describe the diffusion in complex systems, with the advantage of producing exact expressions for the underlying diffusive properties.…

统计力学 · 物理学 2017-11-21 Angel A. Tateishi , Haroldo V. Ribeiro , Ervin K. Lenzi

Atangana and Baleanu proposed a new fractional derivative with non-local and no-singular Mittag-Leffler kernel to solve some problems proposed by researchers in the field of fractional calculus. This new derivative is better to describe…

最优化与控制 · 数学 2020-09-16 Oscar Martínez-Fuentes , Sergio M. Delfín-Prieto

The combination of exponentially large action spaces, stochastic dynamics, and long-horizon decision-making under limited resources makes Sequential Stochastic Combinatorial Optimization (SSCO) particularly challenging for reinforcement…

机器学习 · 计算机科学 2026-05-19 Vivienne Huiling Wang , Tinghuai Wang , Joni Pajarinen

We introduce the logistic model of consumption growth, which captures a negative feedback loop preventing an unlimited growth of consumption due to finite biophysical resources of our planet. This simple dynamic model allows for derivation…

综合金融 · 定量金融 2018-07-05 Victor E. Gluzberg , Yuri A. Katz

We study fractional evolution equations driven by rational-kernel time operators with non-singular memory, including the Atangana-Baleanu-Caputo operator and a generalized W-operator. These operators are characterized by Laplace symbols…

偏微分方程分析 · 数学 2026-01-07 Mohamed Wakrim

There is an increase in interest to model driving maneuver patterns via the automatic unsupervised clustering of naturalistic sequential kinematic driving data. The patterns learned are often used in transportation research areas such as…

机器学习 · 统计学 2023-11-14 Matthew Aguirre , Wenbo Sun , Jionghua , Jin , Yang Chen