{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00029513","sets":["1164:2240:2289:2290"]},"path":["2290"],"owner":"1","recid":"29513","title":["DQGMRES(m k)法とその前処理について"],"pubdate":{"attribute_name":"公開日","attribute_value":"1999-12-03"},"_buckets":{"deposit":"aeed6f46-850a-45ab-8fd6-cf25034b94f0"},"_deposit":{"id":"29513","pid":{"type":"depid","value":"29513","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"DQGMRES(m k)法とその前処理について","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"DQGMRES(m k)法とその前処理について"},{"subitem_title":"DQGMRES (m, k) method and its preconditioning","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"1999-12-03","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"慶應義塾大学理工学部"},{"subitem_text_value":"慶應義塾大学理工学部"},{"subitem_text_value":"慶應義塾大学理工学部"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Faculty of Science and Technology, Keio University","subitem_text_language":"en"},{"subitem_text_value":"Faculty of Science and Technology, Keio University","subitem_text_language":"en"},{"subitem_text_value":"Faculty of Science and Technology, Keio University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/29513/files/IPSJ-HPC99079001.pdf"},"date":[{"dateType":"Available","dateValue":"2001-12-03"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC99079001.pdf","filesize":[{"value":"551.5 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"14"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"c62a9686-64b2-49d4-8b80-88c8ca6ed157","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 1999 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"大澤史典"},{"creatorName":"佐藤拓郎"},{"creatorName":"野寺, 隆"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Fiminori, Ohsawa","creatorNameLang":"en"},{"creatorName":"Takuro, Sato","creatorNameLang":"en"},{"creatorName":"Takashi, Nodera","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10463942","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"連立1次方程式の近似解法の中で,GMRES法の打ち切り版として知られるDQGMRES ()法は,記憶容量や計算コストを軽減する算法である.しかし,この打ち切り版は,不完全直交化によってしばしば算法の収束性を悪化させる.そこで,本稿ではリスタートを利用して,残差の収束性を改善させるDQGMRES (,)法を提案する.数値実験によれば,適切な前処理を行なうDQGMRES (,)法は,他の算法と比較して記憶容量と計算コストを減少させることができる.","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"The DQGMRES (k) method for solving nonsymmetric linear system of equations is generally used with truncated procedure to reduce storage and orthogonalization costs. However, the truncated version sometimes slow down the convergence in order to use incomplete orthogonalization. By using the restarting technique, we propose the DQGMRES (m,k) method which improves the convergence of residual. At last, the results of numerical experiments show that DQGMRES (m,k) method with appropriate preconditioning strategy gives a more robust algorithm than the other scheme, at a low cost of operations and memory.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告ハイパフォーマンスコンピューティング(HPC)"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"1999-12-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"103(1999-HPC-079)","bibliographicVolumeNumber":"1999"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"id":29513,"updated":"2025-01-22T17:30:33.461813+00:00","links":{},"created":"2025-01-18T22:59:20.601342+00:00"}