{"created":"2021-03-01T05:58:37.639387+00:00","id":6195,"links":{},"metadata":{"_buckets":{"deposit":"5d70fe13-087f-4cd3-91c6-b68027d76109"},"_deposit":{"id":"6195","owners":[],"pid":{"revision_id":0,"type":"depid","value":"6195"},"status":"published"},"_oai":{"id":"oai:kitami-it.repo.nii.ac.jp:00006195","sets":["7:15:22"]},"item_2_alternative_title_18":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Ｓｏｍｅ Ｎｏｔｅ ｏｎ Ｒｅａl Ｑｕａｄｒａｔｉｃ Ｆｏｒｍ"}]},"item_2_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1967-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"113","bibliographicPageStart":"109","bibliographicVolumeNumber":"2","bibliographic_titles":[{"bibliographic_title":"北見工業大学研究報告"}]}]},"item_2_description_14":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_2_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Let A(x, x) be a quadratic form (with real coefficient) which corresponds to the symmetric matrix A＝(aij). Namely, A(x, x)=Σaijx_ix_j. In this report, we assume that A is regular. The following theorem is well known : A(x, x) is positive definite form, if  and only if, every principal minor of A is positive. We shall prove this theorem without taking up the Sylvester’s low of inertia and signature of A(x, x)．　","subitem_description_type":"Abstract"}]},"item_2_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"31732","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Kiro, ISOBE"}]},{"nameIdentifiers":[{"nameIdentifier":"31733","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Teiko, HIGASHIYAMA"}]}]},"item_2_publisher_32":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"北見工業大学"}]},"item_2_select_15":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"礒部, 煕郎"}],"nameIdentifiers":[{"nameIdentifier":"31730","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"東山, 貞子"}],"nameIdentifiers":[{"nameIdentifier":"31731","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2016-11-22"}],"displaytype":"detail","filename":"2-1-10.pdf","filesize":[{"value":"1.7 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"2-1-10.pdf","url":"https://kitami-it.repo.nii.ac.jp/record/6195/files/2-1-10.pdf"},"version_id":"a3578bc4-fe54-4a58-811d-957e689bdfb7"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"実二次形式の符号について","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"実二次形式の符号について"}]},"item_type_id":"2","owner":"1","path":["22"],"pubdate":{"attribute_name":"公開日","attribute_value":"2007-04-09"},"publish_date":"2007-04-09","publish_status":"0","recid":"6195","relation_version_is_last":true,"title":["実二次形式の符号について"],"weko_creator_id":"1","weko_shared_id":3},"updated":"2022-12-13T02:19:30.855725+00:00"}