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Mathematical and Computational Applications, Volume 29, Issue 2

2024 April - 13 articles

Cover Story: This paper evaluates the local radial basis function collocation method using multiquadrics (MQs) and polyharmonic splines (PHSs) to solve steady and transient diffusion problems. Tests involve standard boundary and initial value cases with Dirichlet, Neumann, and Robin boundary conditions. A detailed analysis of node density, timestep, influence domain, node regularity, and shape parameters is performed. The advantages and drawbacks of using MQs and PHSs are outlined. View this paper
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Articles (13)

  • Article
  • Open Access
2 Citations
2,132 Views
24 Pages

This study aims to synthesize and implement a robust fractional order PD (RFOPD) controller to increase the speed at which defects in automated touch panel inspection systems (ATPISs) are detected. A three-dimensional orthogonal stage (TDOS) driven b...

(This article belongs to the Topic Mathematical Modeling)
  • Article
  • Open Access
3 Citations
2,547 Views
16 Pages

In this paper, we derive the well-defined solutions to a θ-dimensional system of difference equations. We show that, the well-defined solutions to that system are represented in terms of Fibonacci and Lucas sequences. Moreover, we study the glo...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,843 Views
18 Pages

Intraclass correlation in bilateral data has been investigated in recent decades with various statistical methods. In practice, stratifying bilateral data by some control variables will provide more sophisticated statistical results to satisfy differ...

  • Article
  • Open Access
3 Citations
4,230 Views
14 Pages

In this study, the Method of Fundamental Solutions (MFSs) is adopted to model Chemical Vapor Infiltration (CVI) in a fibrous preform. The preparation of dense fiber-reinforced silicon carbide composites is considered. The reaction flux at the solid s...

(This article belongs to the Special Issue Recent Advances and New Challenges in Coupled Systems and Networks: Theory, Modelling, and Applications)
  • Article
  • Open Access
10 Citations
6,455 Views
23 Pages

M5GP: Parallel Multidimensional Genetic Programming with Multidimensional Populations for Symbolic Regression

  • Luis Cárdenas Florido,
  • Leonardo Trujillo,
  • Daniel E. Hernandez and
  • Jose Manuel Muñoz Contreras

Machine learning and artificial intelligence are growing in popularity thanks to their ability to produce models that exhibit unprecedented performance in domains that include computer vision, natural language processing and code generation. However,...

(This article belongs to the Special Issue New Trends in Computational Intelligence and Applications 2023)
  • Article
  • Open Access
13 Citations
4,459 Views
24 Pages

A Coupled Finite-Boundary Element Method for Efficient Dynamic Structure-Soil-Structure Interaction Modeling

  • Parham Azhir,
  • Jafar Asgari Marnani,
  • Mehdi Panji and
  • Mohammad Sadegh Rohanimanesh

This paper introduces an innovative approach to numerically model Structure–Soil-Structure Interaction (SSSI) by integrating the Boundary Element Method (BEM) and the Finite Element Method (FEM) in a coupled manner. To assess the accuracy of th...

  • Article
  • Open Access
13 Citations
3,926 Views
30 Pages

This paper aims to systematically assess the local radial basis function collocation method, structured with multiquadrics (MQs) and polyharmonic splines (PHSs), for solving steady and transient diffusion problems. The boundary value test involves a...

(This article belongs to the Special Issue Radial Basis Functions)
  • Article
  • Open Access
4 Citations
2,108 Views
19 Pages

Carbon nanotubes are widely used as material reinforcement in diverse fields of engineering. Being that their contribution is significant to improving the mean properties of the resulting materials, it is important to assess the influence of the vari...

(This article belongs to the Special Issue Mathematical and Computational Approaches in Applied Mechanics: A Themed Issue Dedicated to Professor J.N. Reddy)
  • Article
  • Open Access
3 Citations
4,710 Views
22 Pages

Semi-Supervised Machine Learning Method for Predicting Observed Individual Risk Preference Using Gallup Data

  • Faroque Ahmed,
  • Mrittika Shamsuddin,
  • Tanzila Sultana and
  • Rittika Shamsuddin

Risk and uncertainty play a vital role in almost every significant economic decision, and an individual’s propensity to make riskier decisions also depends on various circumstances. This article aims to investigate the effects of social and eco...

(This article belongs to the Section Social Sciences)
  • Article
  • Open Access
13 Citations
2,854 Views
21 Pages

This study is centered on examining the static bending behavior of sandwich plates featuring functionally graded materials, specifically addressing distinct representations of porosity distribution across their thickness. The composition of the sandw...

  • Article
  • Open Access
5 Citations
4,554 Views
25 Pages

SSA-Deep Learning Forecasting Methodology with SMA and KF Filters and Residual Analysis

  • Juan Frausto-Solís,
  • José Christian de Jesús Galicia-González,
  • Juan Javier González-Barbosa,
  • Guadalupe Castilla-Valdez and
  • Juan Paulo Sánchez-Hernández

Accurate forecasting remains a challenge, even with advanced techniques like deep learning (DL), ARIMA, and Holt–Winters (H&W), particularly for chaotic phenomena such as those observed in several areas, such as COVID-19, energy, and financ...

(This article belongs to the Topic Mathematical Modeling)
  • Article
  • Open Access
7 Citations
2,849 Views
27 Pages

Energy-and-Blocking-Aware Routing and Device Assignment in Software-Defined Networking—A MILP and Genetic Algorithm Approach

  • Gerardo J. Riveros-Rojas,
  • Pedro P. Cespedes-Sanchez,
  • Diego P. Pinto-Roa and
  • Horacio Legal-Ayala

Internet energy consumption has increased rapidly, and energy conservation has become a significant issue that requires focused research efforts. The most promising solution is to identify the minimum power subsets within the network and shut down un...

(This article belongs to the Section Engineering)
  • Article
  • Open Access
2 Citations
3,445 Views
23 Pages

An Iterative Method for Computing π by Argument Reduction of the Tangent Function

  • Sanjar M. Abrarov,
  • Rehan Siddiqui,
  • Rajinder Kumar Jagpal and
  • Brendan M. Quine

In this work, we develop a new iterative method for computing the digits of π by argument reduction of the tangent function. This method combines a modified version of the iterative formula for π with squared convergence that we proposed in a p...

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Math. Comput. Appl. - ISSN 2297-8747