{"id":"https://openalex.org/W3012542575","doi":"https://doi.org/10.1007/s11075-019-00814-7","title":"The simpler block CMRH method for linear systems","display_name":"The simpler block CMRH method for linear systems","publication_year":2020,"publication_date":"2020-03-11","ids":{"openalex":"https://openalex.org/W3012542575","doi":"https://doi.org/10.1007/s11075-019-00814-7","mag":"3012542575"},"language":"en","primary_location":{"id":"doi:10.1007/s11075-019-00814-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11075-019-00814-7","pdf_url":null,"source":{"id":"https://openalex.org/S117494069","display_name":"Numerical Algorithms","issn_l":"1017-1398","issn":["1017-1398","1572-9265"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Numerical Algorithms","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5066652184","display_name":"Ilias Abdaoui","orcid":null},"institutions":[{"id":"https://openalex.org/I4210108110","display_name":"Mohamed I University","ror":"https://ror.org/01ejxf797","country_code":"MA","type":"education","lineage":["https://openalex.org/I4210108110"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Ilias Abdaoui","raw_affiliation_strings":["Laboratoire LM2N, Equipe MSN ENSA, Universit\u00e9 Mohammed Premier, Oujda, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire LM2N, Equipe MSN ENSA, Universit\u00e9 Mohammed Premier, Oujda, Morocco","institution_ids":["https://openalex.org/I4210108110"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036003582","display_name":"Lakhdar Elbouyahyaoui","orcid":null},"institutions":[{"id":"https://openalex.org/I4210132968","display_name":"Agence pour le D\u00e9veloppement et la R\u00e9habilitation de la Ville de F\u00e8s","ror":"https://ror.org/043jwkg64","country_code":"MA","type":"government","lineage":["https://openalex.org/I4210132968"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Lakhdar Elbouyahyaoui","raw_affiliation_strings":["Centre R\u00e9gional des M\u00e9tiers de l\u2019Education et de la Formation, Fes, Morocco","Centre R\u00e9gional des M\u00e9tiers de l'Education et de la Formation, Fes, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre R\u00e9gional des M\u00e9tiers de l\u2019Education et de la Formation, Fes, Morocco","institution_ids":["https://openalex.org/I4210132968"]},{"raw_affiliation_string":"Centre R\u00e9gional des M\u00e9tiers de l'Education et de la Formation, Fes, Morocco","institution_ids":["https://openalex.org/I4210132968"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031889672","display_name":"Mohammed Heyouni","orcid":"https://orcid.org/0000-0001-7786-9319"},"institutions":[{"id":"https://openalex.org/I4210108110","display_name":"Mohamed I University","ror":"https://ror.org/01ejxf797","country_code":"MA","type":"education","lineage":["https://openalex.org/I4210108110"]}],"countries":["MA"],"is_corresponding":true,"raw_author_name":"Mohammed Heyouni","raw_affiliation_strings":["Laboratoire LM2N, Equipe MSN ENSA, Universit\u00e9 Mohammed Premier, Oujda, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire LM2N, Equipe MSN ENSA, Universit\u00e9 Mohammed Premier, Oujda, Morocco","institution_ids":["https://openalex.org/I4210108110"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5031889672"],"corresponding_institution_ids":["https://openalex.org/I4210108110"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":0.138,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.49938348,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"84","issue":"4","first_page":"1265","last_page":"1293"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10963","display_name":"Advanced Optimization Algorithms Research","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11416","display_name":"Numerical methods for differential equations","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/generalized-minimal-residual-method","display_name":"Generalized minimal residual method","score":0.8864272832870483},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7253432273864746},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.7049172520637512},{"id":"https://openalex.org/keywords/qr-decomposition","display_name":"QR decomposition","score":0.6225762963294983},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.6149979829788208},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.5467504262924194},{"id":"https://openalex.org/keywords/theory-of-computation","display_name":"Theory of computation","score":0.5376625657081604},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4838351309299469},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.4804070293903351},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.47462713718414307},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.4376904368400574},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.41786131262779236},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.10681265592575073},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.06748980283737183}],"concepts":[{"id":"https://openalex.org/C155332342","wikidata":"https://www.wikidata.org/wiki/Q1432976","display_name":"Generalized minimal residual method","level":3,"score":0.8864272832870483},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7253432273864746},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.7049172520637512},{"id":"https://openalex.org/C188060507","wikidata":"https://www.wikidata.org/wiki/Q653242","display_name":"QR decomposition","level":3,"score":0.6225762963294983},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.6149979829788208},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.5467504262924194},{"id":"https://openalex.org/C24858836","wikidata":"https://www.wikidata.org/wiki/Q844718","display_name":"Theory of computation","level":2,"score":0.5376625657081604},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4838351309299469},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4804070293903351},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.47462713718414307},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.4376904368400574},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.41786131262779236},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.10681265592575073},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.06748980283737183},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s11075-019-00814-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11075-019-00814-7","pdf_url":null,"source":{"id":"https://openalex.org/S117494069","display_name":"Numerical Algorithms","issn_l":"1017-1398","issn":["1017-1398","1572-9265"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Numerical Algorithms","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-04413591v1","is_oa":false,"landing_page_url":"https://hal.science/hal-04413591","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Numerical Algorithms, 2020, 84 (4), pp.1265-1293. ⟨10.1007/s11075-019-00814-7⟩","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W139641880","https://openalex.org/W331325375","https://openalex.org/W369403684","https://openalex.org/W1504748373","https://openalex.org/W1506342804","https://openalex.org/W1969067534","https://openalex.org/W1970821534","https://openalex.org/W1974735085","https://openalex.org/W1993296015","https://openalex.org/W2010950269","https://openalex.org/W2012583010","https://openalex.org/W2035080386","https://openalex.org/W2040391781","https://openalex.org/W2040425799","https://openalex.org/W2053101733","https://openalex.org/W2060819023","https://openalex.org/W2065383426","https://openalex.org/W2085259167","https://openalex.org/W2085551594","https://openalex.org/W2094624803","https://openalex.org/W2095041371","https://openalex.org/W2104992285","https://openalex.org/W2130901049","https://openalex.org/W2283188249","https://openalex.org/W2341270922","https://openalex.org/W2549767625","https://openalex.org/W2724407126","https://openalex.org/W2790172562","https://openalex.org/W2798909945","https://openalex.org/W2809494190","https://openalex.org/W2810799029","https://openalex.org/W2884508029","https://openalex.org/W2889951009","https://openalex.org/W2898844773","https://openalex.org/W3022136271","https://openalex.org/W3105209344","https://openalex.org/W4232800292","https://openalex.org/W4292232969","https://openalex.org/W4312258136"],"related_works":["https://openalex.org/W2032899988","https://openalex.org/W2072568196","https://openalex.org/W2971922054","https://openalex.org/W2610002741","https://openalex.org/W4220970845","https://openalex.org/W1579526657","https://openalex.org/W2066215857","https://openalex.org/W4226335490","https://openalex.org/W3146700705","https://openalex.org/W2552362573"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}