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International Journal of Applied Mathematics最新文献

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PROPERTIES OF SOLUTIONS FOR A NONLINEAR DIFFUSION PROBLEM WITH A GRADIENT NONLINEARITY 一类具有梯度非线性的非线性扩散问题解的性质
International Journal of Applied Mathematics Pub Date : 2023-09-09 DOI: 10.12732/ijam.v36i3.7
Z.R. Rakhmonov, A.A. Alimov
{"title":"PROPERTIES OF SOLUTIONS FOR A NONLINEAR DIFFUSION PROBLEM WITH A GRADIENT NONLINEARITY","authors":"Z.R. Rakhmonov, A.A. Alimov","doi":"10.12732/ijam.v36i3.7","DOIUrl":"https://doi.org/10.12732/ijam.v36i3.7","url":null,"abstract":"","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136192529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AN INVESTIGATION OF NUMERICAL INTEGRATION USING CHEBYSHEV WAVELETS OF THE SECOND KIND 第二类切比雪夫小波的数值积分研究
International Journal of Applied Mathematics Pub Date : 2023-09-09 DOI: 10.12732/ijam.v36i3.5
Preeti Preeti, I. Singh
{"title":"AN INVESTIGATION OF NUMERICAL INTEGRATION USING CHEBYSHEV WAVELETS OF THE SECOND KIND","authors":"Preeti Preeti, I. Singh","doi":"10.12732/ijam.v36i3.5","DOIUrl":"https://doi.org/10.12732/ijam.v36i3.5","url":null,"abstract":"","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136192518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ON THE OSCILLATORY BEHAVIOR OF A CLASS OF EVEN ORDER NONLINEAR DAMPED DELAY DIFFERENTIAL EQUATIONS WITH DISTRIBUTED DEVIATING ARGUMENTS 一类具有分布偏差参数的偶阶非线性阻尼时滞微分方程的振动性
International Journal of Applied Mathematics Pub Date : 2023-09-09 DOI: 10.12732/ijam.v36i3.6
S. Janaki, V. Ganesan
{"title":"ON THE OSCILLATORY BEHAVIOR OF A CLASS OF EVEN ORDER NONLINEAR DAMPED DELAY DIFFERENTIAL EQUATIONS WITH DISTRIBUTED DEVIATING ARGUMENTS","authors":"S. Janaki, V. Ganesan","doi":"10.12732/ijam.v36i3.6","DOIUrl":"https://doi.org/10.12732/ijam.v36i3.6","url":null,"abstract":"","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136192527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ON SECOND HYPER-ZAGREB INDEX OF CORONA PRODUCTS RELATED TO R-GRAPHS 与r图相关的电晕积的第二次超萨格勒布指数
International Journal of Applied Mathematics Pub Date : 2023-09-09 DOI: 10.12732/ijam.v36i3.1
I. Sarkar, M. Nanjappa
{"title":"ON SECOND HYPER-ZAGREB INDEX OF CORONA PRODUCTS RELATED TO R-GRAPHS","authors":"I. Sarkar, M. Nanjappa","doi":"10.12732/ijam.v36i3.1","DOIUrl":"https://doi.org/10.12732/ijam.v36i3.1","url":null,"abstract":": The cognitive and evidential features of the graph discipline are significantly influenced by the implementation of graph operations. Molecular descriptor acts as a fundamental network invariant relevant to a particular molecular structure in the framework of chemical graph theory. The semi-total point graph features the edges of subdivision graph as well as the edges of the original graph. In this paper, we explore combinatorial inequalities associated with the edges, vertices and its corresponding neighborhood notions along with the inclusion of other molecular descriptors in the computations for the determination of exact expressions of second hyper-Zagreb index for certain corona products involving the semi-total point graph.","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136192515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
INTEGRATION OF THE NONLINEAR SCHR"{O}DINGER EQUATION WITH A SELF-CONSISTENT SOURCE AND NONZERO BOUNDARY CONDITIONS 具有自洽源和非零边界条件的非线性schr {o} dinger方程的积分
International Journal of Applied Mathematics Pub Date : 2023-09-09 DOI: 10.12732/ijam.v36i3.4
A. Reyimberganov
{"title":"INTEGRATION OF THE NONLINEAR SCHR\"{O}DINGER EQUATION WITH A SELF-CONSISTENT SOURCE AND NONZERO BOUNDARY CONDITIONS","authors":"A. Reyimberganov","doi":"10.12732/ijam.v36i3.4","DOIUrl":"https://doi.org/10.12732/ijam.v36i3.4","url":null,"abstract":"This paper is devoted to the study of the defocusing nonlinear Schr\"{o}dinger equation with a self-consistent source and nonzero boundary conditions by the method of the inverse scattering problem. In cases where the source consists of a combination of eigenfunctions of the corresponding spectral problem for the Zakharov-Shabat system, the complete integrability of the nonlinear Schr\"{o}dinger equation is investigated. Namely, the evolutions of the scattering data of the self-adjoint Zakharov-Shabat system, whose potential is a solution of the defocusing nonlinear Schr\"{o}dinger equation with a self-consistent source, are obtained.","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136192517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LINEAR INDEPENDENT SOLUTIONS AND RECURSION FORMULAS FOR THE QUADRUPLE HYPERGEOMETRIC FUNCTIONS $X_{31}^{(4)}$ 四重超几何函数$ x_{31}^{(4)}$的线性无关解和递推公式
International Journal of Applied Mathematics Pub Date : 2023-09-09 DOI: 10.12732/ijam.v36i3.2
A. Al e'damat, J. Younis
{"title":"LINEAR INDEPENDENT SOLUTIONS AND RECURSION FORMULAS FOR THE QUADRUPLE HYPERGEOMETRIC FUNCTIONS $X_{31}^{(4)}$","authors":"A. Al e'damat, J. Younis","doi":"10.12732/ijam.v36i3.2","DOIUrl":"https://doi.org/10.12732/ijam.v36i3.2","url":null,"abstract":"","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136192516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SEPARATION OF TWO MUSICAL INSTRUMENTS USING MATRIX FACTORISATION TECHNIQUES 使用矩阵分解技术分离两种乐器
International Journal of Applied Mathematics Pub Date : 2023-09-09 DOI: 10.12732/ijam.v36i3.8
We. Kai Adrian Tang, We. Shean Ng, Ho. Hui Liew
{"title":"SEPARATION OF TWO MUSICAL INSTRUMENTS USING MATRIX FACTORISATION TECHNIQUES","authors":"We. Kai Adrian Tang, We. Shean Ng, Ho. Hui Liew","doi":"10.12732/ijam.v36i3.8","DOIUrl":"https://doi.org/10.12732/ijam.v36i3.8","url":null,"abstract":"","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136192535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
$T$ AND $ST$-COLORING OF CORONA PRODUCT AND EDGE CORONA PRODUCT OF GRAPHS 图的电晕积和边电晕积的着色
International Journal of Applied Mathematics Pub Date : 2023-09-09 DOI: 10.12732/ijam.v36i3.3
R. Moran, N. Bora, S. Begum, B. Sharma
{"title":"$T$ AND $ST$-COLORING OF CORONA PRODUCT AND EDGE CORONA PRODUCT OF GRAPHS","authors":"R. Moran, N. Bora, S. Begum, B. Sharma","doi":"10.12732/ijam.v36i3.3","DOIUrl":"https://doi.org/10.12732/ijam.v36i3.3","url":null,"abstract":"","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136192521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
WAVELET NEURAL NETWORKS VERSUS WAVELET-BASED NEURAL NETWORKS 小波神经网络与基于小波的神经网络
International Journal of Applied Mathematics Pub Date : 2023-05-20 DOI: 10.12732/ijam.v36i2.5
L.T. Dechevsky, K.M. Tangrand
{"title":"WAVELET NEURAL NETWORKS VERSUS WAVELET-BASED NEURAL NETWORKS","authors":"L.T. Dechevsky, K.M. Tangrand","doi":"10.12732/ijam.v36i2.5","DOIUrl":"https://doi.org/10.12732/ijam.v36i2.5","url":null,"abstract":"","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135542841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DATA ANALYTICS AND SIR MODELING OF COVID-19 IN BULGARIA 保加利亚COVID-19的数据分析和Sir建模
International Journal of Applied Mathematics Pub Date : 2020-01-01 DOI: 10.12732/ijam.v33i6.10
M. Ivanova, L. Dospatliev
{"title":"DATA ANALYTICS AND SIR MODELING OF COVID-19 IN BULGARIA","authors":"M. Ivanova, L. Dospatliev","doi":"10.12732/ijam.v33i6.10","DOIUrl":"https://doi.org/10.12732/ijam.v33i6.10","url":null,"abstract":"The Novel Human Coronavirus (SARS-CoV-2) also well-known as COVID-19 is the greatest public health challenge of the 21st century The aims of this article were to provide data analytic of the COVID-19 cases in Bulgaria and to modeling their spread using SIR (Susceptible-Infected-Recovered) model We used the covid19 analytics package from the statistical software R in extracting time-series data of COVID-19 in Bulgaria (dating March 8, 2020 to November 24, 2020), in presenting the data analysis as well as forecast the maximum number of infected people, peak time and the basic reproduction number based on SIR model As per SIR model, the maximum number of infected people is reached after 61 days of starting of COVID-19 pandemic in Bulgaria (around May 13, 2020) with about 1 298446e+05 infections The basic reproduction number R0 was found to 1 46, which means that on average an infectious individual infects 1 46 susceptible individuals during his infection period We believe that performed data analytics of COVID-19 cases in Bulgaria and the obtained results of the SIR model will help government of Bulgaria when restricting the spread of the virus © 2020 Academic Publications","PeriodicalId":37513,"journal":{"name":"International Journal of Applied Mathematics","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66376088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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