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Showing 11 of 11 academic articles

An Optimal Fourth-Order Finite Difference Scheme for the Helmholtz Equation Based on the Technique of Matched Interface Boundary

Dongsheng Cheng, Jianjun Chen, Guangqing Long • Discrete Dynamics in Nature and Society (2021)

In this paper, a new optimal fourth-order 21-point finite difference scheme is proposed to solve the 2D Helmholtz equation numerically, with the technique of matched interface boundary (MIB) utilized to treat boundary problems. For the appr...

DOAJ Open Access (DOAJ) DOI: 10.1155/2021/2539272

The Numerical Solution of Fractional Parabolic Partial Integro-Differential Eequations by Gaussian and Inverse Multiquadric Radial Basis Functions

F. S. Aghaei Maybodi, M. H. Heydari, F. M. Maalek Ghaeini, M. H. Akrami • پژوهش‌های ریاضی (2021)

Introduction Many mathematical formulations of physical phenomena contain integro-differential equations. These equations arise in fluid dynamics, biological models, chemical kinetics, ecology, control theory of financial mathematics, aeros...

DOAJ Open Access (DOAJ)

Delay-Dependent H∞ Control for Singular Markovian Jump Systems With Generally Uncertain Transition Rates

Chunyu Li, Lin Li, Anyou Shen • IEEE Access (2020)

This article is devoted to the problem of H control for a class of singular Markovian jump systems with time-varying delay and generally uncertain transition rates, which means each transition rate is completely unknown or only its estimate...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2020.3040974

On Security and Throughput for Energy Harvesting Untrusted Relays in IoT Systems Using NOMA

Van Nhan Vo, Chakchai So-In, Hung Tran, Duc-Dung Tran et al. • IEEE Access (2019)

In this paper, we analyze the secrecy and throughput of multiple-input single-output (MISO) energy harvesting (EH) Internet of Things (IoT) systems, in which a multi-antenna base station (BS) transmits signals to IoT devices (IoTDs) with th...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2019.2946600

A fast three-step second-order explicit numerical approach to investigating and forecasting the dynamic of corruption and poverty in Cameroon

Eric Ngondiep • Heliyon (2024)

This paper constructs a three-step second-order numerical approach for solving a mathematical model on the dynamic of corruption and poverty. The stability and error estimates of the proposed technique are analyzed using the L2-norm. The de...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2024.e38236

Efficient and Memory Saving Method Based on Pseudoskeleton Approximation for Analysis of Finite Periodic Structures

Chunbei Luo, Yong Zhang, Hai Lin • International Journal of Antennas and Propagation (2018)

An efficient and memory saving method based on pseudoskeleton approximation (PSA) is presented for the effective and accurate analysis of finite periodic structures. Different from the macro basis function analysis model, our proposed metho...

DOAJ Open Access (DOAJ) DOI: 10.1155/2018/1612498

Understanding Neural Networks and Fuzzy Logic

Stamatios V. Kartalopoulos • Institute of Electrical and Electronics Engineers eBooks (1995)

Understand the fundamentals of the emerging field of fuzzy neural networks, their applications and the most used paradigms with this carefully organized state-of-the-art textbook. Previously tested at a number of noteworthy conference tutor...

OPENALEX DOI: https://doi.org/10.1109/9780470546826

Dissipativity analysis of stochastic fuzzy neural networks with randomly occurring uncertainties using delay dividing approach

Sundaram Senthilraj, Ramachandran Raja, Jinde Cao, Habib M. Fardoun • Nonlinear Analysis (2019)

This paper focuses on the problem of delay-dependent robust dissipativity analysis for a class of stochastic fuzzy neural networks with time-varying delay. The randomly occurring uncertainties under consideration are assumed to follow certa...

DOAJ Open Access (DOAJ) DOI: 10.15388/NA.2019.4.5