関連する実験動画
Updated: Feb 11, 2026

05:55
Modeling the Functional Network for Spatial Navigation in the Human Brain
Published on: October 13, 2023
1.6K
カプート・ファブリツィオ演算子と放射基底関数ニューラルネットワークを用いた非線形変数次数の分数カオスシステムのモデリング
Shah Sawar1, Muhammad Ayaz1, Musaad S Aldhabani2
1Department of Mathematics, Government Post Graduate College Dargai, Malakand, KPK, Pakistan.
Scientific reports
|February 9, 2026
まとめ
本研究では、カオスモデルに変数分数次数を導入し、精度と現実感を向上させます。放射基底関数ニューラルネットワーク(RBFNN)は、これらの複雑なシステムを効率的にモデル化し、実世界での応用を可能にします。
科学分野:
- 非線形ダイナミクス
- 分数階計算
- 計算知能
背景:
- 従来の分数階カオスモデルでは、一定の分数階が用いられることが多く、進化するシステムメモリの表現能力が制限されていました。
- 現実世界の動的システムは、より適応性の高いモデリングアプローチを必要とする複雑な挙動を示します。
研究 の 目的:
- 変数分数階アプローチを用いた非線形分数カオスモデルの特性を調査すること。
- 動的アプリケーションにおけるカオス挙動表現の精度と現実感を向上させること。
- 効率的なモデリングと予測のために放射基底関数ニューラルネットワーク(RBFNN)を活用すること。
主な方法:
- システムダイナミクスを記述するために、カプート・ファブリツィオ分数階微分演算子を採用しました。
- 学習と予測のために放射基底関数ニューラルネットワーク(RBFNN)を利用しました。
- 進化するメモリ効果を可能にするために、変数分数階微分を組み込みました。
- 異なる分数階にわたるシステム進化を分析するために、位相空間再構成を実行しました。
主要な成果:
- 変数分数階モデルは、固定次数モデルと比較して、優れた柔軟性と精度を示しました。
- モデルの信頼性と堅牢性を確認し、最小誤差閾値を[Formula: see text]未満に達成しました。
- RBFNNは、計算コストを削減しながら、複雑なカオス挙動の効率的な予測を提供しました。
結論:
- 変数分数階モデリングは、非線形カオスシステムに対して、精度と現実感を向上させます。
- 提案されたフレームワークは効率的であり、カオスダイナミクスの研究と予測のための新しいアプローチを提供します。
- 潜在的な応用には、セキュア通信、制御システム、信号処理が含まれます。
関連する概念動画
Systems of Linear Equations in Two Variables
313
Solving a system of linear equations is a fundamental concept in algebra. A system of equations consists of two or more linear equations involving the same set of variables. One of the most efficient algebraic methods for solving such systems is the substitution method. This technique involves expressing one variable in terms of the other from one equation and substituting it into the second equation. This method is particularly useful when one of the equations is easily rearranged.Consider the...
313
Multi-input and Multi-variable systems
428
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
In the absence of...
428
Network Function of a Circuit
871
Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
871
Nonlinear Pharmacokinetics: Causes of Nonlinearity
744
Nonlinearity in drug pharmacokinetics is caused by various factors influencing how a drug is absorbed, distributed, metabolized, and excreted. Understanding these nonlinear processes is crucial for predicting drug behavior in the body and optimizing drug dosing regimens.
Nonlinear drug absorption can occur when the process is rate-limited by solubility, carrier-mediated transport systems, or saturation of the presystemic gut wall or hepatic metabolism. For instance, high doses of riboflavin...
Nonlinear drug absorption can occur when the process is rate-limited by solubility, carrier-mediated transport systems, or saturation of the presystemic gut wall or hepatic metabolism. For instance, high doses of riboflavin...
744
Integration of Rational Functions Using Partial Fractions
102
Rational functions are expressions written as the ratio of two polynomials, and their integrals are evaluated by simplifying the integrand into manageable parts. These functions are classified as proper or improper based on the degrees of the numerator and denominator.A rational function is proper when the degree of the numerator is less than the degree of the denominator. In this case, partial fraction decomposition is used to rewrite the function as a sum of simpler rational terms. The...
102
Functional Brain Systems: Limbic System
7.5K
The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
7.5K

