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  • Proceeding Paper
  • Open Access
1,245 Views
6 Pages

Trigonometrically Fitted Improved Hybrid Method for Oscillatory Problems

  • Yusuf Dauda Jikantoro,
  • Aliyu Ishaku Ma’ali and
  • Ismail Musa

Presented in this paper is a trigonometrically fitted scheme based on a class of improved hybrid method for the numerical integration of oscillatory problems. The trigonometric conditions are constructed through which a third algebraic order scheme i...

(This article belongs to the Proceedings of The 1st International Online Conference on Mathematics and Applications)
  • Article
  • Open Access
13 Citations
3,138 Views
18 Pages

13 January 2023

Tidal open boundary conditions (OBCs) of the M2 tidal constituent in the Bohai and Yellow Seas (BYS) are estimated via the assimilation of multi-satellite altimeter data to optimize regional tidal numerical simulation. A two-dimensional adjoint assim...

(This article belongs to the Special Issue Remote Sensing and Numerical Simulation for Tidal Dynamics)
  • Article
  • Open Access
10 Citations
3,188 Views
13 Pages

A 5(4) pair of embedded explicit trigonometrically-fitted Runge–Kutta–Nyström (EETFRKN) methods especially designed for the numerical integration of second order initial value problems with oscillatory solutions is presented in this paper. Algebraic...

  • Article
  • Open Access
4 Citations
2,839 Views
18 Pages

25 December 2023

Near-surface PM2.5 estimates remain a global scientific research challenge due to their effect on human fitness and atmospheric environmental quality. However, practical near-surface PM2.5 estimates are impeded by the incomplete monitoring data. In t...

(This article belongs to the Section Air Quality)
  • Review
  • Open Access
6 Citations
3,356 Views
20 Pages

6 December 2019

Numerical methods for the solution of ordinary differential equations are based on polynomial interpolation. In 1952, Brock and Murray have suggested exponentials for the case that the solution is known to be of exponential type. In 1961, Gautschi ca...

(This article belongs to the Special Issue Computational Mathematics, Algorithms, and Data Processing)
  • Article
  • Open Access
768 Views
12 Pages

26 September 2025

In this work, explicit Two-Derivative Runge–Kutta methods of the general case (that use several evaluations of the right-hand side function and its derivative per step) are considered. In order to address problems of orbital or oscillatory char...

(This article belongs to the Section Analysis of Algorithms and Complexity Theory)
  • Article
  • Open Access
11 Citations
4,242 Views
11 Pages

Passive Homodyne Phase Demodulation Technique Based on LF-TIT-DCM Algorithm for Interferometric Sensors

  • Wanjin Zhang,
  • Ping Lu,
  • Zhiyuan Qu,
  • Jiangshan Zhang and ,
  • Qiang Wu and
  • Deming Liu
  • + 1 author+ 0 author

10 December 2021

A passive homodyne phase demodulation technique based on a linear-fitting trigonometric-identity-transformation differential cross-multiplication (LF-TIT-DCM) algorithm is proposed. This technique relies on two interferometric signals whose interfero...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
13 Citations
3,837 Views
15 Pages

The Sine Modified Lindley Distribution

  • Lishamol Tomy,
  • Veena G and
  • Christophe Chesneau

The paper contributes majorly in the development of a flexible trigonometric extension of the well-known modified Lindley distribution. More precisely, we use features from the sine generalized family of distributions to create an original one-parame...

(This article belongs to the Special Issue Computational Mathematics and Applied Statistics)
  • Article
  • Open Access
19 Citations
2,698 Views
32 Pages

6 February 2024

In this research, we provide a novel approach to the development of effective numerical algorithms for the solution of first-order IVPs. In particular, we detail the fundamental theory behind the development of the aforementioned approaches and show...

(This article belongs to the Section E2: Control Theory and Mechanics)
  • Article
  • Open Access
9 Citations
2,470 Views
56 Pages

23 April 2024

This research introduces a fresh methodology for creating efficient numerical algorithms to solve first-order Initial Value Problems (IVPs). The study delves into the theoretical foundations of these methods and demonstrates their application to the...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
5 Citations
3,337 Views
16 Pages

In this paper, the applicability of the sine modified Lindley distribution, recently introduced in the statistical literature, is highlighted via the goodness-of-fit approach on biological data. In particular, it is shown to be beneficial in estimati...

(This article belongs to the Special Issue Computational Mathematics and Applied Statistics)
  • Article
  • Open Access
2 Citations
1,557 Views
39 Pages

29 July 2024

Recently, the author developed a theory for the computation of the phase lag and amplification factor for explicit and implicit multistep methods for first-order differential equations. In this paper, we will investigate the role of the derivatives o...

(This article belongs to the Section Mathematical Analysis)
  • Article
  • Open Access
26 Citations
6,290 Views
27 Pages

On the Accuracy of the Sine Power Lomax Model for Data Fitting

  • Vasili B. V. Nagarjuna,
  • R. Vishnu Vardhan and
  • Christophe Chesneau

13 February 2021

Every day, new data must be analysed as well as possible in all areas of applied science, which requires the development of attractive statistical models, that is to say adapted to the context, easy to use and efficient. In this article, we innovate...

  • Article
  • Open Access
35 Citations
2,453 Views
21 Pages

A Novel Probabilistic Approach Based on Trigonometric Function: Model, Theory with Practical Applications

  • Omalsad Hamood Odhah,
  • Huda M. Alshanbari,
  • Zubair Ahmad,
  • Faridoon Khan and
  • Abd Al-Aziz Hosni El-Bagoury

2 August 2023

Proposing new families of probability models for data modeling in applied sectors is a prominent research topic. This paper also proposes a new method based on the trigonometric function to derive the updated form of the existing probability models....

(This article belongs to the Special Issue Symmetric and Asymmetric Distributions: New Developments and Applications)
  • Article
  • Open Access
3 Citations
1,859 Views
17 Pages

A Shape Preserving Class of Two-Frequency Trigonometric B-Spline Curves

  • Gudrun Albrecht,
  • Esmeralda Mainar,
  • Juan Manuel Peña and
  • Beatriz Rubio

10 November 2023

This paper proposes a new approach to define two frequency trigonometric spline curves with interesting shape preserving properties. This construction requires the normalized B-basis of the space U4(Iα)=span{1,cost,sint,cos2t,sin2t} defined on...

(This article belongs to the Special Issue Symmetry/Asymmetry: Differential Geometry and Its Applications)
  • Article
  • Open Access
26 Citations
5,331 Views
12 Pages

Bacillus amyloliquefaciens BLB369 is an important plant growth-promoting bacterium, which produces antifungal compounds. A statistics-based experimental design was used to optimize a liquid culture medium using inexpensive substrates for increasing i...

(This article belongs to the Special Issue Biofertilizer Microorganism in Agriculture)
  • Article
  • Open Access
5 Citations
2,929 Views
17 Pages

1 April 2023

The choice of an appropriate regression model for econometric modeling minimizes information loss and also leads to sound inferences. In this study, we develop four quantile regression models based on trigonometric extensions of the unit generalized...

(This article belongs to the Special Issue Advances in Financial Mathematics)
  • Article
  • Open Access
8 Citations
4,200 Views
11 Pages

27 December 2022

Calculating the large deflection of a cantilever beam is one of the common problems in engineering. The differential equation of a beam under large deformation, or the typical elastica problem, is hard to approximate and solve with the known solution...

  • Article
  • Open Access
786 Views
28 Pages

Comparison of Trigonometric Distribution Families Under Classical and Bayesian Approaches

  • Nirajan Bam,
  • Laxmi Prasad Sapkota,
  • Pankaj Kumar and
  • Vijay Kumar

22 July 2026

This study aims to compare the performance of trigonometric families of distributions, sine-G, cosine-G, and tangent-G, using the inverse Weibull distribution as a baseline, and to guide model selection for six different data structures. Six real dat...

  • Article
  • Open Access
12 Citations
3,911 Views
25 Pages

As the world is shifting toward cleaner energy sources, accurate forecasting of solar radiation is critical for optimizing the performance and integration of solar energy systems. In this study, we explore eight machine learning models, namely, Rando...

(This article belongs to the Topic Solar and Wind Power and Energy Forecasting, 2nd Edition)
  • Article
  • Open Access
11 Citations
4,035 Views
51 Pages

A Review of Wrapped Distributions for Circular Data

  • William Bell and
  • Saralees Nadarajah

6 August 2024

The wrapped method is the most widely used method for constructing distributions for circular data. In this paper, we provide a review of all known wrapped distributions, including 45 distributions for continuous circular data and 10 distributions fo...

(This article belongs to the Special Issue New Advances in Distribution Theory and Its Applications)
  • Article
  • Open Access
515 Views
20 Pages

Many applications in finance and biology involve multiplicative noise geometric Brownian motion (GBM)-type stochastic differential equations (SDEs) whose drift carries a single dominant periodic component. Such structures arise in seasonal Black&ndas...

  • Article
  • Open Access
2,633 Views
59 Pages

Manufacture of a 4-Degree-of-Freedom Robot to Support an IRB 120 Robot

  • Ricardo Balcazar,
  • José de Jesús Rubio,
  • Mario Alberto Hernandez,
  • Jaime Pacheco and ,
  • Adrian-Josue Guel-Cortez,
  • Genaro Ochoa,
  • Enrique Garcia,
  • Alejandro Zacarías and
  • Gabriela Saavedra González
  • + 4 authors+ 0 author

28 November 2024

In this work, we present the construction and control of a four-degrees-of-freedom (DOF) manipulator aimed at addressing one of the key challenges faced by the Academy-Industry Cooperation Center (CCAI): the need for mechatronic equipment to support...

(This article belongs to the Section Actuators for Robotics)
  • Article
  • Open Access
1,418 Views
17 Pages

The A-Palp: A Digitized Manual Palpation Method for Sagittal Spine Assessment—A Study of Reliability over Time and Between Operators

  • Guillaume Claus,
  • Joe Abi Nader,
  • Laurent Fabeck,
  • Alphonse Lubansu and ,
  • Patrick Salvia,
  • Benoit Beyer and
  • Véronique Feipel
  • + 2 authors+ 0 author

Background/Objectives: The A-Palp enables a calibrated anatomical systems technique (CAST) approach. Previous studies have demonstrated repeatability and concurrent validity for selected spinal curvature angles in patients with scoliosis. However, th...

(This article belongs to the Section Gait and Posture Biomechanics)
  • Article
  • Open Access
5 Citations
1,319 Views
20 Pages

3 June 2025

This study introduces the sine unit exponentiated half-logistic distribution, a novel extension of the unit exponentiated half-logistic distribution within the sine-G family. Using trigonometric transformations, the proposed distribution offers flexi...

(This article belongs to the Section D1: Probability and Statistics)
  • Article
  • Open Access
7 Citations
3,641 Views
18 Pages

2 November 2018

Sparse-signal recovery in noisy conditions is a problem that can be solved with current compressive-sensing (CS) technology. Although current algorithms based on L 1 regularization can solve this problem, the L 1 regularization mechan...

  • Article
  • Open Access
1,221 Views
17 Pages

EvoFuzzy: Evolutionary Fuzzy Approach for Ensembling Reconstructed Genetic Networks

  • Hasini Nakulugamuwa Gamage,
  • Jaskaran Gill,
  • Madhu Chetty,
  • Suryani Lim and
  • Jennifer Hallinan

Background: Reconstructing gene regulatory networks (GRNs) from gene expression data remains a major challenge in systems biology due to the inherent complexity of biological systems and the limitations of existing reconstruction methods, which often...

(This article belongs to the Topic Computational Intelligence and Bioinformatics (CIB))
  • Article
  • Open Access
381 Views
22 Pages

11 September 2026

The generalization of convexities and fractional operators is a significant approach that not only refines the fractional inequalities but has also resolved many problems that are facing the non-integer family of calculus. In this paper, we introduce...

(This article belongs to the Special Issue Theory and Application of Integral Inequalities, 3rd Edition)
  • Article
  • Open Access
55 Citations
10,168 Views
22 Pages

16 September 2016

Diameter at breast height has been estimated from mobile laser scanning using a new set of methods. A 2D laser scanner was mounted facing forward, tilted nine degrees downwards, on a car. The trajectory was recorded using inertial navigation and visu...

(This article belongs to the Special Issue Forest Ground Observations through Terrestrial Point Clouds)
  • Article
  • Open Access
951 Views
17 Pages

31 January 2026

The importance of statistical distributions in representing real-world scenarios and aiding in decision-making is widely acknowledged. However, traditional models often face limitations in achieving optimal fits for certain datasets. Motivated by thi...

(This article belongs to the Section D1: Probability and Statistics)
  • Article
  • Open Access
17 Citations
7,116 Views
15 Pages

Novel Parametric Circuit Modeling for Li-Ion Batteries

  • Ximing Cheng,
  • Liguang Yao,
  • Yinjiao Xing and
  • Michael Pecht

14 July 2016

Because of their simplicity and dynamic response, current pulse series are often used to extract parameters for equivalent electrical circuit modeling of Li-ion batteries. These models are then applied for performance simulation, state estimation, an...

(This article belongs to the Special Issue Energy Storage Systems for Plug-in Electric Vehicles and Vehicle to Power Grid Integration)
  • Article
  • Open Access
4 Citations
2,307 Views
15 Pages

12 December 2023

Several new acceptance sampling plans using various probability distribution methods have been developed in the literature. However, there is no published work on the design of new sampling plans using trigonometric-based probability distributions. I...

(This article belongs to the Special Issue Skewed (Asymmetrical) Probability Distributions and Applications across Disciplines III)
  • Feature Paper
  • Article
  • Open Access
1,709 Views
21 Pages

3 September 2025

The oscillatory properties of pendular motion, along with the associated energetic conditions, are used to induce analytical functions capable of simultaneously describing the angular position and velocity. To describe the angular position of a gener...

(This article belongs to the Special Issue Analytical Methods and Qualitative Analysis for Differential Equations)
  • Article
  • Open Access
45 Citations
3,093 Views
38 Pages

Analysis the Composition of Hydraulic Radial Force on Centrifugal Pump Impeller: A Data-Centric Approach Based on CFD Datasets

  • Hehui Zhang,
  • Kang Li,
  • Ting Liu,
  • Yichu Liu and ,
  • Jianxin Hu,
  • Qingsong Zuo and
  • Liangxing Jiang
  • + 2 authors+ 0 author

7 July 2025

Centrifugal pumps are essential in various industries, where their operational stability and efficiency are crucial. This study aims to analyze the composition and variation characteristics of the hydraulic radial force on the impeller using a data-c...

(This article belongs to the Special Issue Text Mining and Data Mining)
  • Article
  • Open Access
29 Citations
3,553 Views
24 Pages

A UAV Path Planning Method in Three-Dimensional Space Based on a Hybrid Gray Wolf Optimization Algorithm

  • Jianxin Feng,
  • Chuanlin Sun,
  • Jianhao Zhang,
  • Yue Du and ,
  • Zhiguo Liu and
  • Yuanming Ding
  • + 1 author+ 0 author

Path planning, which is needed to obtain collision-free optimal paths in complex environments, is one key step within unmanned aerial vehicle (UAV) systems with various applications, such as agricultural production, target tracking, and environmental...

  • Article
  • Open Access
11 Citations
2,750 Views
17 Pages

22 March 2024

Fractional derivative operators are finding applications in a wide variety of fields with their ability to better model certain phenomena exhibiting spatial and temporal nonlocality. One area in which these operators are applicable is in the field of...

(This article belongs to the Special Issue Computational Methods in Electromagnetics)
  • Article
  • Open Access
1 Citations
2,200 Views
22 Pages

The sum of independent circular uniformly distributed random variables is also circular uniformly distributed. In this study, it is shown that a family of circular distributions based on nonnegative trigonometric sums (NNTS) is also closed under summ...

  • Article
  • Open Access
5 Citations
2,807 Views
14 Pages

27 May 2020

In this study, the temperature distribution of a pavement was predicted by developing an analytic algorithm. The Laplace and inverse Laplace transform techniques and Gaussian quadratic formula were applied to a pavement system of an asphalt overlay p...

(This article belongs to the Special Issue Asphalt Materials II)
  • Article
  • Open Access
1,384 Views
20 Pages

We collected approximately 500 ScS–S differential travel times passing beneath the Philippines with various azimuths to discuss whether there were azimuthal variations in the ScS–S time residuals. By correcting for mantle heterogeneity us...

(This article belongs to the Special Issue Seismology of the Dynamic Deep Earth)
  • Article
  • Open Access
9 Citations
4,245 Views
14 Pages

Large-Dynamic-Range and High-Stability Phase Demodulation Technology for Fiber-Optic Michelson Interferometric Sensors

  • Wanjin Zhang,
  • Ping Lu,
  • Zhiyuan Qu,
  • Jiangshan Zhang and ,
  • Qiang Wu and
  • Deming Liu
  • + 1 author+ 0 author

24 March 2022

A large-dynamic-range and high-stability phase demodulation technology for fiber-optic Michelson interferometric sensors is proposed. This technology utilizes two output signals from a 2 × 2 fiber-optic coupler, the interferometric phase differ...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
162 Views
32 Pages

10 October 2026

Circular data arise naturally in a wide range of scientific fields, including biology, geology, meteorology, and environmental sciences, where conventional linear statistical methods are inappropriate unless the circular structure of the observations...

(This article belongs to the Special Issue Advances in Statistical Simulation and Computing, 2nd Edition)
  • Article
  • Open Access
4 Citations
2,905 Views
22 Pages

23 July 2020

The law of pollutant emission and diffusion in stratified waters is a common issue. In this paper, numerical study on the interaction between vertical turbulent jets and the pycnocline is carried out to study the problems of jet’s emission thro...

(This article belongs to the Special Issue Hydraulic Dynamic Calculation and Simulation)
  • Article
  • Open Access
19 Citations
3,584 Views
14 Pages

Improved Zenith Tropospheric Delay Modeling Using the Piecewise Model of Atmospheric Refractivity

  • Liu Yang,
  • Jingxiang Gao,
  • Dantong Zhu,
  • Nanshan Zheng and
  • Zengke Li

26 November 2020

As one of the atmosphere propagation delays, the tropospheric delay is a significant error source that should be properly handled in high-precision global navigation satellite system (GNSS) applications. We propose an improved zenith tropospheric del...

(This article belongs to the Special Issue Satellite Observation for Atmospheric Modeling)
  • Article
  • Open Access
11 Citations
3,272 Views
15 Pages

30 August 2021

To address the issue of a large calculation and difficult optimization for the traditional fault detection of a wind turbine-based pitch control system, a fault detection model, based on LightGBM by the improved Harris Hawks optimization algorithm (l...

(This article belongs to the Special Issue Reliability Theory and Applications in Complicated and Smart Systems)
  • Article
  • Open Access
17 Citations
11,929 Views
29 Pages

Does Each Menstrual Cycle Elicit a Distinct Effect on Olfactory and Gustatory Perception?

  • Žana Stanić,
  • Ajka Pribisalić,
  • Maria Bošković,
  • Jasna Bućan Cvitanić and ,
  • Kristina Boban,
  • Gabriela Bašković,
  • Antonija Bartulić,
  • Suzana Demo,
  • Ozren Polašek and
  • Ivana Kolčić
  • + 5 authors+ 0 author

22 July 2021

The obesity pandemic has brought forth a scientific interest in food intake and sensory perception interactions. Olfactory perception and gustatory perception are very complex and under the influence of many factors, including the menstrual cycle. Th...

  • Article
  • Open Access
30 Citations
6,680 Views
32 Pages

Statistical Comparison of Time Series Models for Forecasting Brazilian Monthly Energy Demand Using Economic, Industrial, and Climatic Exogenous Variables

  • André Luiz Marques Serrano,
  • Gabriel Arquelau Pimenta Rodrigues,
  • Patricia Helena dos Santos Martins,
  • Gabriela Mayumi Saiki and ,
  • Geraldo Pereira Rocha Filho,
  • Vinícius Pereira Gonçalves and
  • Robson de Oliveira Albuquerque
  • + 2 authors+ 0 author

4 July 2024

Energy demand forecasting is crucial for effective resource management within the energy sector and is aligned with the objectives of Sustainable Development Goal 7 (SDG7). This study undertakes a comparative analysis of different forecasting models...

(This article belongs to the Special Issue Advanced Forecasting Techniques and Methods for Energy Systems)
  • Article
  • Open Access
10 Citations
2,633 Views
17 Pages

An Empirical Mode Decomposition-Based Hybrid Model for Sub-Hourly Load Forecasting

  • Chuang Yin,
  • Nan Wei,
  • Jinghang Wu,
  • Chuhong Ruan and ,
  • Xi Luo and
  • Fanhua Zeng
  • + 1 author+ 0 author

8 January 2024

Sub-hourly load forecasting can provide accurate short-term load forecasts, which is important for ensuring a secure operation and minimizing operating costs. Decomposition algorithms are suitable for extracting sub-series and improving forecasts in...

(This article belongs to the Section F1: Electrical Power System)
  • Article
  • Open Access
6 Citations
2,643 Views
29 Pages

“Ground–Aerial–Satellite” Atmospheric Correction Method Based on UAV Hyperspectral Data for Coastal Waters

  • Xinyuan Su,
  • Jianyong Cui,
  • Jinying Zhang,
  • Jie Guo and ,
  • Mingming Xu and
  • Wenwen Gao
  • + 1 author+ 0 author

9 August 2025

In ocean color remote sensing, most of the radiative energy received by sensors comes from the atmosphere, requiring highly accurate atmospheric correction. Although atmospheric correction models based on ground measurements—especially the Grou...

(This article belongs to the Special Issue AI-Empowered Remote Sensing Monitoring and Geospatial Analysis for Ocean and Coastal Environments)
  • Article
  • Open Access
31 Citations
6,040 Views
14 Pages

Time-Series Analysis for the Number of Foot and Mouth Disease Outbreak Episodes in Cattle Farms in Thailand Using Data from 2010–2020

  • Veerasak Punyapornwithaya,
  • Pradeep Mishra,
  • Chalutwan Sansamur,
  • Dirk Pfeiffer and ,
  • Orapun Arjkumpa,
  • Rotchana Prakotcheo,
  • Thanis Damrongwatanapokin and
  • Katechan Jampachaisri
  • + 3 authors+ 0 author

23 June 2022

Thailand is one of the countries where foot and mouth disease outbreaks have resulted in considerable economic losses. Forecasting is an important warning technique that can allow authorities to establish an FMD surveillance and control program. This...

(This article belongs to the Special Issue Global Foot-and-Mouth Disease Control)
  • Article
  • Open Access
357 Views
34 Pages

25 September 2026

The Epanechnikov–Weibull distribution (EpWD) is a flexible two-parameter lifetime model. Its hazard rate can be increasing or decreasing, and for some shape values below one, can also exhibit finite-time nonmonotonicity. This paper develops cla...

(This article belongs to the Special Issue Reliability Estimation and Mathematical Statistics, 2nd Edition)

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