Pub Date : 2023-10-18DOI: 10.1007/s40314-023-02474-9
Mohamed Drissi, Said Mesmoudi, Mohamed Mansouri, Khalid Saadouni
{"title":"On the use of an accurate implicit spectral approach for the telegraph equation in propagation of electrical signals","authors":"Mohamed Drissi, Said Mesmoudi, Mohamed Mansouri, Khalid Saadouni","doi":"10.1007/s40314-023-02474-9","DOIUrl":"https://doi.org/10.1007/s40314-023-02474-9","url":null,"abstract":"","PeriodicalId":50649,"journal":{"name":"Computational & Applied Mathematics","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135888920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-14DOI: 10.1007/s40314-023-02480-x
Harmandeep Singh, Janak Raj Sharma
{"title":"Generalized convergence conditions for the local and semilocal analyses of higher order Newton-type iterations","authors":"Harmandeep Singh, Janak Raj Sharma","doi":"10.1007/s40314-023-02480-x","DOIUrl":"https://doi.org/10.1007/s40314-023-02480-x","url":null,"abstract":"","PeriodicalId":50649,"journal":{"name":"Computational & Applied Mathematics","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135803878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-14DOI: 10.1007/s40314-023-02482-9
Zhehong Hao, Hao Chang
{"title":"Robust time-consistent strategy for the defined contribution pension plan with a minimum guarantee under ambiguity","authors":"Zhehong Hao, Hao Chang","doi":"10.1007/s40314-023-02482-9","DOIUrl":"https://doi.org/10.1007/s40314-023-02482-9","url":null,"abstract":"","PeriodicalId":50649,"journal":{"name":"Computational & Applied Mathematics","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135800509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-13DOI: 10.1007/s40314-023-02457-w
Lukáš Tomek, Branislav Beran, Ján Erdélyi, Richard Honti, Karol Mikula
Abstract The paper deals with the multichannel curve segmentation of planar point clouds, scanned by a terrestrial laser scanner (TLS), which usually represent walls of buildings. Information derived from the point cloud can be used for quality check of a building (e.g. wall flatness or mutual perpendicularity of walls) or creation of virtual models of buildings. Therefore, segmentation of the planar point cloud into subsets representing the surface of the wall and other structures (e.g. door, electrical outlets) is desired. We describe a mathematical model of evolving planar curves, which is used for the segmentation of the point cloud. The evolution of curves is controlled by the properties of the scanned walls, such as colour and intensity. We discretize the model using the finite-volume method and the semi-implicit Inflow-Implicit/Outflow-Explicit (IIOE) scheme. We demonstrate the functionality of segmentation on real data.
{"title":"Multichannel segmentation of planar point clouds using evolving curves","authors":"Lukáš Tomek, Branislav Beran, Ján Erdélyi, Richard Honti, Karol Mikula","doi":"10.1007/s40314-023-02457-w","DOIUrl":"https://doi.org/10.1007/s40314-023-02457-w","url":null,"abstract":"Abstract The paper deals with the multichannel curve segmentation of planar point clouds, scanned by a terrestrial laser scanner (TLS), which usually represent walls of buildings. Information derived from the point cloud can be used for quality check of a building (e.g. wall flatness or mutual perpendicularity of walls) or creation of virtual models of buildings. Therefore, segmentation of the planar point cloud into subsets representing the surface of the wall and other structures (e.g. door, electrical outlets) is desired. We describe a mathematical model of evolving planar curves, which is used for the segmentation of the point cloud. The evolution of curves is controlled by the properties of the scanned walls, such as colour and intensity. We discretize the model using the finite-volume method and the semi-implicit Inflow-Implicit/Outflow-Explicit (IIOE) scheme. We demonstrate the functionality of segmentation on real data.","PeriodicalId":50649,"journal":{"name":"Computational & Applied Mathematics","volume":"531 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135853819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-11DOI: 10.1007/s40314-023-02479-4
Venkatesan Maitreyi, Suresh Elumalai, Selvaraj Balachandran, Hechao Liu
{"title":"The minimum Sombor index of trees with given number of pendant vertices","authors":"Venkatesan Maitreyi, Suresh Elumalai, Selvaraj Balachandran, Hechao Liu","doi":"10.1007/s40314-023-02479-4","DOIUrl":"https://doi.org/10.1007/s40314-023-02479-4","url":null,"abstract":"","PeriodicalId":50649,"journal":{"name":"Computational & Applied Mathematics","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136057616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-07DOI: 10.1007/s40314-023-02440-5
Dan Peng, Mengjie Liu
{"title":"Robust stability and $${H_infty }$$ control problem for 2-D nonlinear uncertain switched system with mixed time-varying delays under fuzzy rules","authors":"Dan Peng, Mengjie Liu","doi":"10.1007/s40314-023-02440-5","DOIUrl":"https://doi.org/10.1007/s40314-023-02440-5","url":null,"abstract":"","PeriodicalId":50649,"journal":{"name":"Computational & Applied Mathematics","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135252664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-06DOI: 10.1007/s40314-023-02463-y
R. I. Abdulganiy, H. Ramos, J. A. Osilagun, S. A. Okunuga, Sania Qureshi
{"title":"A functionally-fitted block hybrid Falkner method for Kepler equations and related problems","authors":"R. I. Abdulganiy, H. Ramos, J. A. Osilagun, S. A. Okunuga, Sania Qureshi","doi":"10.1007/s40314-023-02463-y","DOIUrl":"https://doi.org/10.1007/s40314-023-02463-y","url":null,"abstract":"","PeriodicalId":50649,"journal":{"name":"Computational & Applied Mathematics","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135350315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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