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International Journal of Computer Mathematics最新文献

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Projection-type method with line-search process for solving variational inequalities 求解变分不等式的带线搜索过程的投影型方法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-26 DOI: 10.1080/00207160.2024.2321361
Min Li, Chuan Qin, Prasit Cholamjiak, Papatsara Inkrong
{"title":"Projection-type method with line-search process for solving variational inequalities","authors":"Min Li, Chuan Qin, Prasit Cholamjiak, Papatsara Inkrong","doi":"10.1080/00207160.2024.2321361","DOIUrl":"https://doi.org/10.1080/00207160.2024.2321361","url":null,"abstract":"We propose an accelerated projection-type method for solving variational inequalities in Hilbert spaces. The method is suitable for pseudomonotone non-Lipschitz continuous operators and obtains str...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"44 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140005672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An optimization method for solving a general class of the inverse system of nonlinear fractional order PDEs 求解非线性分数阶 PDE 逆系统一般类别的优化方法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-13 DOI: 10.1080/00207160.2024.2316751
Z. Avazzadeh, H. Hassani, M. J. Ebadi, A. Bayati Eshkaftaki, A. S. Hendy
{"title":"An optimization method for solving a general class of the inverse system of nonlinear fractional order PDEs","authors":"Z. Avazzadeh, H. Hassani, M. J. Ebadi, A. Bayati Eshkaftaki, A. S. Hendy","doi":"10.1080/00207160.2024.2316751","DOIUrl":"https://doi.org/10.1080/00207160.2024.2316751","url":null,"abstract":"In this paper, we introduce a general class of the inverse system of nonlinear fractional order partial differential equations (GCISNF-PDEs) with initial-boundary and two overdetermination conditio...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"28 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139771050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Energy dissipation law of the variable time-step fractional BDF2 scheme for the time fractional molecular beam epitaxial model 时间分数分子束外延模型的可变时间步长分数 BDF2 方案的能量耗散规律
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-11 DOI: 10.1080/00207160.2024.2315131
Xuan Zhao, Zhuhan Jiang, Hong Sun
{"title":"Energy dissipation law of the variable time-step fractional BDF2 scheme for the time fractional molecular beam epitaxial model","authors":"Xuan Zhao, Zhuhan Jiang, Hong Sun","doi":"10.1080/00207160.2024.2315131","DOIUrl":"https://doi.org/10.1080/00207160.2024.2315131","url":null,"abstract":"In this work, we take a consideration of the time fractional molecular beam epitaxial(MBE) models. The variable time-step BDF2 methods are proposed for time fractional MBE models in order to obtain...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"3 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139771295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A parallel high-order accuracy algorithm for the Helmholtz equations 亥姆霍兹方程的并行高阶精度算法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-08 DOI: 10.1080/00207160.2024.2305143
Tiantian Bao, Xiufang Feng
{"title":"A parallel high-order accuracy algorithm for the Helmholtz equations","authors":"Tiantian Bao, Xiufang Feng","doi":"10.1080/00207160.2024.2305143","DOIUrl":"https://doi.org/10.1080/00207160.2024.2305143","url":null,"abstract":"The numerical solution of the Helmholtz equations is challenging to compute when the wave numbers contained in the governing equation are large. In this paper, we present a parallel algorithm for t...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"17 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139771408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The solution for singularly perturbed differential-difference equation with boundary layers at both ends by a numerical integration method 用数值积分方法求解两端有边界层的奇异扰动微分差分方程
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-06 DOI: 10.1080/00207160.2024.2312891
Raghvendra Pratap Singh, Y. N. Reddy
{"title":"The solution for singularly perturbed differential-difference equation with boundary layers at both ends by a numerical integration method","authors":"Raghvendra Pratap Singh, Y. N. Reddy","doi":"10.1080/00207160.2024.2312891","DOIUrl":"https://doi.org/10.1080/00207160.2024.2312891","url":null,"abstract":"This paper presents a numerical integration method for the solution of ‘Singularly Perturbed Differential-Difference Equations' having dual layers. It is well known that when we use already existin...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"1 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two-step Runge–Kutta methods for Volterra integro-differential equations Volterra 积分微分方程的两步 Runge-Kutta 方法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-02 DOI: 10.1080/00207160.2023.2301555
Jiao Wen, Chengming Huang, Hongbo Guan
{"title":"Two-step Runge–Kutta methods for Volterra integro-differential equations","authors":"Jiao Wen, Chengming Huang, Hongbo Guan","doi":"10.1080/00207160.2023.2301555","DOIUrl":"https://doi.org/10.1080/00207160.2023.2301555","url":null,"abstract":"In this paper, we investigate two-step Runge–Kutta methods to solve Volterra integro-differential equations. Two-step Runge–Kutta methods increase the order of convergence in comparing the classica...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"16 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139670298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of a stochastic model for a prey–predator system with an indirect effect 具有间接效应的捕食者-捕食者系统随机模型分析
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-01-29 DOI: 10.1080/00207160.2024.2309484
Leila Torkzadeh, Milad Fahimi, Hassan Ranjbar, Kazem Nouri
{"title":"Analysis of a stochastic model for a prey–predator system with an indirect effect","authors":"Leila Torkzadeh, Milad Fahimi, Hassan Ranjbar, Kazem Nouri","doi":"10.1080/00207160.2024.2309484","DOIUrl":"https://doi.org/10.1080/00207160.2024.2309484","url":null,"abstract":"In the current work, we develop and analyse a prey–predator model as a semi-Kolmogorov population model in which the predator has an indirect effect on the prey. The functional response of the mode...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"23 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139586666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two-parameter modified matrix splitting iteration method for Helmholtz equation 亥姆霍兹方程的双参数修正矩阵分裂迭代法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-01-06 DOI: 10.1080/00207160.2023.2301570
Tian-Yi Li, Fang Chen, Zhi-Wei Fang, Hai-Wei Sun, Zhi Wang
{"title":"Two-parameter modified matrix splitting iteration method for Helmholtz equation","authors":"Tian-Yi Li, Fang Chen, Zhi-Wei Fang, Hai-Wei Sun, Zhi Wang","doi":"10.1080/00207160.2023.2301570","DOIUrl":"https://doi.org/10.1080/00207160.2023.2301570","url":null,"abstract":"","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"23 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139380719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adaptation and assessement of projected Nesterov accelerated gradient flow to compute stationary states of nonlinear Schrödinger equations 计算非线性薛定谔方程静止态的投射涅斯特罗夫加速梯度流的适应性和评估
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2023-12-12 DOI: 10.1080/00207160.2023.2294688
Xavier Antoine, Chorouq Bentayaa, Jérémie Gaidamour
{"title":"Adaptation and assessement of projected Nesterov accelerated gradient flow to compute stationary states of nonlinear Schrödinger equations","authors":"Xavier Antoine, Chorouq Bentayaa, Jérémie Gaidamour","doi":"10.1080/00207160.2023.2294688","DOIUrl":"https://doi.org/10.1080/00207160.2023.2294688","url":null,"abstract":"The aim of the paper is to derive minimization algorithms based on the Nesterov accelerated gradient flow [Y. Nesterov, Gradient methods for minimizing composite objective function. Core discussion...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"15 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138715985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two new classes of exponential Runge–Kutta integrators for efficiently solving stiff systems or highly oscillatory problems 两类新的指数 Runge-Kutta 积分器，用于高效解决僵硬系统或高度振荡问题
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2023-12-11 DOI: 10.1080/00207160.2023.2294432
Bin Wang, Xianfa Hu, Xinyuan Wu
{"title":"Two new classes of exponential Runge–Kutta integrators for efficiently solving stiff systems or highly oscillatory problems","authors":"Bin Wang, Xianfa Hu, Xinyuan Wu","doi":"10.1080/00207160.2023.2294432","DOIUrl":"https://doi.org/10.1080/00207160.2023.2294432","url":null,"abstract":"We note a fact that stiff systems or differential equations that have highly oscillatory solutions cannot be solved efficiently using conventional methods. In this paper, we study two new classes o...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":"18 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138572567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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