{"id":"https://openalex.org/W3118235704","doi":"https://doi.org/10.1109/cdc42340.2020.9303811","title":"Online Estimation of the Loewner Matrices","display_name":"Online Estimation of the Loewner Matrices","publication_year":2020,"publication_date":"2020-12-14","ids":{"openalex":"https://openalex.org/W3118235704","doi":"https://doi.org/10.1109/cdc42340.2020.9303811","mag":"3118235704"},"language":"en","primary_location":{"id":"doi:10.1109/cdc42340.2020.9303811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cdc42340.2020.9303811","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 59th IEEE Conference on Decision and Control (CDC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5040230862","display_name":"Joel D. Simard","orcid":"https://orcid.org/0000-0003-4044-1903"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Joel D. Simard","raw_affiliation_strings":["Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018225150","display_name":"Alessandro Astolfi","orcid":"https://orcid.org/0000-0002-4331-454X"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]},{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB","IT"],"is_corresponding":false,"raw_author_name":"Alessandro Astolfi","raw_affiliation_strings":["Imperial College London, London, UK","Universit\u00e0 di Roma \"Tor Vergata\", Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Universit\u00e0 di Roma \"Tor Vergata\", Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"3425","last_page":"3430"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11206","display_name":"Model Reduction and Neural Networks","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11206","display_name":"Model Reduction and Neural Networks","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11236","display_name":"Control Systems and Identification","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10928","display_name":"Probabilistic and Robust Engineering Design","score":0.9950000047683716,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.7045552730560303},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.6305873990058899},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5880540013313293},{"id":"https://openalex.org/keywords/gradient-descent","display_name":"Gradient descent","score":0.5257426500320435},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4535475969314575},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4208643436431885},{"id":"https://openalex.org/keywords/persistence","display_name":"Persistence (discontinuity)","score":0.41040802001953125},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.38461530208587646},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3702850043773651},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17485371232032776},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.11243486404418945},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08949163556098938}],"concepts":[{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.7045552730560303},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.6305873990058899},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5880540013313293},{"id":"https://openalex.org/C153258448","wikidata":"https://www.wikidata.org/wiki/Q1199743","display_name":"Gradient descent","level":3,"score":0.5257426500320435},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4535475969314575},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4208643436431885},{"id":"https://openalex.org/C2781009140","wikidata":"https://www.wikidata.org/wiki/Q7170389","display_name":"Persistence (discontinuity)","level":2,"score":0.41040802001953125},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.38461530208587646},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3702850043773651},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17485371232032776},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.11243486404418945},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08949163556098938},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cdc42340.2020.9303811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cdc42340.2020.9303811","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 59th IEEE Conference on Decision and Control (CDC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.5799999833106995,"display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W234738007","https://openalex.org/W286889871","https://openalex.org/W1549926602","https://openalex.org/W1965009939","https://openalex.org/W1965315468","https://openalex.org/W1984714339","https://openalex.org/W2043307446","https://openalex.org/W2050409837","https://openalex.org/W2067603665","https://openalex.org/W2074699211","https://openalex.org/W2088872157","https://openalex.org/W2099571563","https://openalex.org/W2100064602","https://openalex.org/W2103960654","https://openalex.org/W2114105019","https://openalex.org/W2130282697","https://openalex.org/W2137897092","https://openalex.org/W2138148446","https://openalex.org/W2138190945","https://openalex.org/W2177625303","https://openalex.org/W2464697260","https://openalex.org/W2575097073","https://openalex.org/W2744827903","https://openalex.org/W3011374063","https://openalex.org/W3153238495","https://openalex.org/W4229747687","https://openalex.org/W4302415809","https://openalex.org/W6794274382","https://openalex.org/W6843547832"],"related_works":["https://openalex.org/W1995895161","https://openalex.org/W2352063914","https://openalex.org/W1822185412","https://openalex.org/W2047377442","https://openalex.org/W2017131795","https://openalex.org/W3205546307","https://openalex.org/W2883299638","https://openalex.org/W4387835727","https://openalex.org/W2589957347","https://openalex.org/W2749168932"],"abstract_inverted_index":{"Two":[0],"methods":[1],"for":[2],"online":[3],"estimation":[4],"of":[5,9,25,31],"the":[6,18,32,35],"Loewner":[7],"matrices":[8],"a":[10],"linear":[11],"system":[12],"are":[13],"proposed.":[14],"Both":[15],"algorithms":[16],"employ":[17],"gradient":[19],"descent":[20],"method":[21],"and":[22],"standard":[23],"persistence":[24],"excitation":[26],"conditions":[27],"to":[28,34],"guarantee":[29],"convergence":[30],"estimates":[33],"actual":[36],"values.":[37]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}