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5次元 - Wikipedia
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mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_ja.wikipedia.org&uselang=ja"><span>寄付</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:%E3%82%A2%E3%82%AB%E3%82%A6%E3%83%B3%E3%83%88%E4%BD%9C%E6%88%90&returnto=5%E6%AC%A1%E5%85%83" title="アカウントを作成してログインすることをお勧めしますが、必須ではありません"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>アカウント作成</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:%E3%83%AD%E3%82%B0%E3%82%A4%E3%83%B3&returnto=5%E6%AC%A1%E5%85%83" title="ログインすることを推奨します。ただし、必須ではありません。 [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>ログイン</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> ログアウトした編集者のページ <a href="/wiki/Wikipedia:%E3%82%A6%E3%82%A3%E3%82%AD%E3%83%9A%E3%83%87%E3%82%A3%E3%82%A2%E3%81%B8%E3%82%88%E3%81%86%E3%81%93%E3%81%9D" aria-label="編集の詳細"><span>もっと詳しく</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E8%87%AA%E5%88%86%E3%81%AE%E6%8A%95%E7%A8%BF%E8%A8%98%E9%8C%B2" title="このIPアドレスからなされた編集の一覧 [y]" accesskey="y"><span>投稿記録</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E3%83%88%E3%83%BC%E3%82%AF%E3%83%9A%E3%83%BC%E3%82%B8" title="このIPアドレスからなされた編集についての議論 [n]" accesskey="n"><span>トーク</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="サイト"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="目次" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">目次</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">サイドバーに移動</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">非表示</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">ページ先頭</div> </a> </li> <li id="toc-性質" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#性質"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>性質</span> </div> </a> <ul id="toc-性質-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-5次元ポリトープ" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#5次元ポリトープ"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>5次元ポリトープ</span> </div> </a> <button aria-controls="toc-5次元ポリトープ-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>5次元ポリトープサブセクションを切り替えます</span> </button> <ul id="toc-5次元ポリトープ-sublist" class="vector-toc-list"> <li id="toc-超球" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#超球"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>超球</span> </div> </a> <ul id="toc-超球-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="目次" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="目次の表示・非表示を切り替え" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">目次の表示・非表示を切り替え</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">5次元</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="特定の記事の別の言語版に移動します。 利用可能な言語12件" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-12" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">12の言語版</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A6%9E%E0%A7%8D%E0%A6%9A%E0%A6%AE%E0%A6%BE%E0%A6%A4%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%95_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A7%87%E0%A6%A4%E0%A7%8D%E0%A6%B0" title="ベンガル語: পঞ্চমাত্রিক ক্ষেত্র" lang="bn" hreflang="bn" data-title="পঞ্চমাত্রিক ক্ষেত্র" data-language-autonym="বাংলা" data-language-local-name="ベンガル語" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Cinquena_dimensi%C3%B3" title="カタロニア語: Cinquena dimensió" lang="ca" hreflang="ca" data-title="Cinquena dimensió" data-language-autonym="Català" data-language-local-name="カタロニア語" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Five-dimensional_space" title="英語: Five-dimensional space" lang="en" hreflang="en" data-title="Five-dimensional space" data-language-autonym="English" data-language-local-name="英語" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Quinta_dimensi%C3%B3n" title="スペイン語: Quinta dimensión" lang="es" hreflang="es" data-title="Quinta dimensión" data-language-autonym="Español" data-language-local-name="スペイン語" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%81%D8%B6%D8%A7%DB%8C_%D9%BE%D9%86%D8%AC%E2%80%8C%D8%A8%D8%B9%D8%AF%DB%8C" title="ペルシア語: فضای پنجبعدی" lang="fa" hreflang="fa" data-title="فضای پنجبعدی" data-language-autonym="فارسی" data-language-local-name="ペルシア語" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Viisiulotteisuus" title="フィンランド語: Viisiulotteisuus" lang="fi" hreflang="fi" data-title="Viisiulotteisuus" data-language-autonym="Suomi" data-language-local-name="フィンランド語" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/5%EC%B0%A8%EC%9B%90" title="韓国語: 5차원" lang="ko" hreflang="ko" data-title="5차원" data-language-autonym="한국어" data-language-local-name="韓国語" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Spa%C8%9Biu_cinci-dimensional" title="ルーマニア語: Spațiu cinci-dimensional" lang="ro" hreflang="ro" data-title="Spațiu cinci-dimensional" data-language-autonym="Română" data-language-local-name="ルーマニア語" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Femte_dimensionen" title="スウェーデン語: Femte dimensionen" lang="sv" hreflang="sv" data-title="Femte dimensionen" data-language-autonym="Svenska" data-language-local-name="スウェーデン語" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Be%C5%9F_boyutlu_uzay" title="トルコ語: Beş boyutlu uzay" lang="tr" hreflang="tr" data-title="Beş boyutlu uzay" data-language-autonym="Türkçe" data-language-local-name="トルコ語" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Kh%C3%B4ng_gian_n%C4%83m_chi%E1%BB%81u" title="ベトナム語: Không gian năm chiều" lang="vi" hreflang="vi" data-title="Không gian năm chiều" data-language-autonym="Tiếng Việt" data-language-local-name="ベトナム語" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%BA%94%E7%BB%B4%E7%A9%BA%E9%97%B4" title="中国語: 五维空间" lang="zh" hreflang="zh" data-title="五维空间" data-language-autonym="中文" data-language-local-name="中国語" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1142276#sitelinks-wikipedia" title="言語間リンクを編集" class="wbc-editpage">リンクを編集</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="名前空間"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/5%E6%AC%A1%E5%85%83" title="本文を閲覧 [c]" accesskey="c"><span>ページ</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/%E3%83%8E%E3%83%BC%E3%83%88:5%E6%AC%A1%E5%85%83" rel="discussion" title="本文ページについての議論 [t]" accesskey="t"><span>ノート</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="別の言語に切り替える" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">日本語</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="表示"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/5%E6%AC%A1%E5%85%83"><span>閲覧</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=5%E6%AC%A1%E5%85%83&action=edit" title="このページのソースコードを編集する [e]" accesskey="e"><span>編集</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=5%E6%AC%A1%E5%85%83&action=history" title="このページの過去の版 [h]" accesskey="h"><span>履歴表示</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="ページツール"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="ツール" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">ツール</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">ツール</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">サイドバーに移動</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">非表示</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="その他の操作" > <div class="vector-menu-heading"> 操作 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/5%E6%AC%A1%E5%85%83"><span>閲覧</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=5%E6%AC%A1%E5%85%83&action=edit" title="このページのソースコードを編集する [e]" accesskey="e"><span>編集</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=5%E6%AC%A1%E5%85%83&action=history"><span>履歴表示</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> 全般 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E3%83%AA%E3%83%B3%E3%82%AF%E5%85%83/5%E6%AC%A1%E5%85%83" title="ここにリンクしている全ウィキページの一覧 [j]" accesskey="j"><span>リンク元</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E9%96%A2%E9%80%A3%E3%83%9A%E3%83%BC%E3%82%B8%E3%81%AE%E6%9B%B4%E6%96%B0%E7%8A%B6%E6%B3%81/5%E6%AC%A1%E5%85%83" rel="nofollow" title="このページからリンクしているページの最近の更新 [k]" accesskey="k"><span>関連ページの更新状況</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%81%AE%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89" title="ファイルをアップロードする [u]" accesskey="u"><span>ファイルをアップロード</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E7%89%B9%E5%88%A5%E3%83%9A%E3%83%BC%E3%82%B8%E4%B8%80%E8%A6%A7" title="特別ページの一覧 [q]" accesskey="q"><span>特別ページ</span></a></li><li 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href="/w/index.php?title=%E7%89%B9%E5%88%A5:QrCode&url=https%3A%2F%2Fja.wikipedia.org%2Fwiki%2F5%25E6%25AC%25A1%25E5%2585%2583"><span>QRコードをダウンロード</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> 印刷/書き出し </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:%E3%83%96%E3%83%83%E3%82%AF&bookcmd=book_creator&referer=5%E6%AC%A1%E5%85%83"><span>ブックの新規作成</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:DownloadAsPdf&page=5%E6%AC%A1%E5%85%83&action=show-download-screen"><span>PDF 形式でダウンロード</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=5%E6%AC%A1%E5%85%83&printable=yes" title="このページの印刷用ページ [p]" accesskey="p"><span>印刷用バージョン</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> 他のプロジェクト </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1142276" title="関連付けられたデータリポジトリ項目へのリンク [g]" accesskey="g"><span>ウィキデータ項目</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="ページツール"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="表示"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">表示</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">サイドバーに移動</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">非表示</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">出典: フリー百科事典『ウィキペディア(Wikipedia)』</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(<a href="/w/index.php?title=%E4%BA%94%E6%AC%A1%E5%85%83&redirect=no" class="mw-redirect" title="五次元">五次元</a>から転送)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ja" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r101346560">.mw-parser-output .hatnote{margin:0.5em 0;padding:3px 2em;background-color:transparent;border-bottom:1px solid #a2a9b1;font-size:90%}html.skin-theme-clientpref-night .mw-parser-output .hatnote>table{color:inherit}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .hatnote>table{color:inherit}}</style><div class="hatnote dablink noprint"><table style="width:100%; background:transparent;"> <tbody><tr><td style="width:25px;"><span typeof="mw:File"><a href="/wiki/%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB:Disambig_gray.svg" class="mw-file-description" title="曖昧さ回避"><img alt="曖昧さ回避" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/25px-Disambig_gray.svg.png" decoding="async" width="25" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/38px-Disambig_gray.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/50px-Disambig_gray.svg.png 2x" data-file-width="220" data-file-height="168" /></a></span></td> <td>「<b>五次元</b>」はこの項目へ<a href="/wiki/Wikipedia:%E3%83%AA%E3%83%80%E3%82%A4%E3%83%AC%E3%82%AF%E3%83%88" title="Wikipedia:リダイレクト">転送</a>されています。 <ul><li><a href="/wiki/%E5%A4%A7%E9%98%AA%E5%BA%9C" title="大阪府">大阪府</a>の<a href="/wiki/%E8%87%AA%E5%8B%95%E8%BB%8A%E9%83%A8%E5%93%81%E3%81%AE%E4%B8%80%E8%A6%A7" title="自動車部品の一覧">自動車部品</a><a href="/wiki/%E8%A3%BD%E9%80%A0%E6%A5%AD" title="製造業">メーカー</a>については「<a href="/wiki/5ZIGEN%E3%82%A4%E3%83%B3%E3%82%BF%E3%83%BC%E3%83%8A%E3%82%B7%E3%83%A7%E3%83%8A%E3%83%AB" title="5ZIGENインターナショナル">5ZIGENインターナショナル</a>」をご覧ください。</li></ul></td> </tr></tbody></table></div> <style data-mw-deduplicate="TemplateStyles:r101304250">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%;font-size:90%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}html.client-js body.skin-minerva .mw-parser-output .mbox-text-span{margin-left:23px!important}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-Expand_language plainlinks metadata ambox ambox-notice" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Translation_A%E3%81%82.svg/50px-Translation_A%E3%81%82.svg.png" decoding="async" width="50" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Translation_A%E3%81%82.svg/75px-Translation_A%E3%81%82.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Translation_A%E3%81%82.svg/100px-Translation_A%E3%81%82.svg.png 2x" data-file-width="473" data-file-height="150" /></span></span></div></td><td class="mbox-text"><div class="mbox-text-span">この記事は<b>英語版の<a href="https://en.wikipedia.org/wiki/Five-dimensional_space" class="extiw" title="en:Five-dimensional space">対応するページ</a>を翻訳することにより充実させることができます。</b><small>(<span title="2024年5月">2024年5月</span>)</small><div class="mw-collapsible mw-collapsed" style="box-sizing:border-box;width:100%;font-size:95%;padding:4px;border:none;"><div class="skin-nightmode-reset-color" style="font-size:100%;line-height:1.6;font-weight:bold;text-align:center;;padding-right: 3em; font-weight: normal; text-align: left"><small>翻訳前に重要な指示を読むには右にある[表示]をクリックしてください。</small></div><div class="mw-collapsible-content" style="text-align:left;;overflow-x:visible;overflow-y:visible;"> <ul><li>英語版記事を<a rel="nofollow" class="external text" href="https://en-m-wikipedia-org.translate.goog/wiki/Five-dimensional_space?_x_tr_sl=en&_x_tr_tl=ja&_x_tr_hl=ja">日本語へ機械翻訳したバージョン</a>(Google翻訳)。</li> <li>万が一翻訳の手がかりとして機械翻訳を用いた場合、翻訳者は必ず翻訳元原文を参照して機械翻訳の誤りを訂正し、正確な翻訳にしなければなりません。これが成されていない場合、<b>記事は削除の方針<a href="/wiki/Wikipedia:DP#G-3" class="mw-redirect" title="Wikipedia:DP">G-3</a>に基づき、削除される可能性があります。</b></li> <li>信頼性が低いまたは低品質な文章を翻訳しないでください。もし可能ならば、文章を他言語版記事に示された文献で正しいかどうかを確認してください。</li> <li><a href="/wiki/Wikipedia:%E3%82%A6%E3%82%A3%E3%82%AD%E3%83%9A%E3%83%87%E3%82%A3%E3%82%A2%E5%86%85%E3%81%A7%E3%81%AE%E3%82%B3%E3%83%94%E3%83%BC" title="Wikipedia:ウィキペディア内でのコピー">履歴継承</a>を行うため、<a href="/wiki/Help:%E8%A6%81%E7%B4%84%E6%AC%84" title="Help:要約欄">要約欄</a>に翻訳元となった記事のページ名・版について記述する必要があります。記述方法については、<a href="/wiki/Wikipedia:%E7%BF%BB%E8%A8%B3%E3%81%AE%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3#要約欄への記入" title="Wikipedia:翻訳のガイドライン">Wikipedia:翻訳のガイドライン#要約欄への記入</a>を参照ください。</li> <li>翻訳後、<code>{{<a href="/wiki/Template:%E7%BF%BB%E8%A8%B3%E5%91%8A%E7%9F%A5" title="Template:翻訳告知">翻訳告知</a>|en|Five-dimensional space|…}}</code>を<a href="/wiki/%E3%83%8E%E3%83%BC%E3%83%88:5%E6%AC%A1%E5%85%83" title="ノート:5次元">ノート</a>に追加することもできます。</li> <li><a href="/wiki/Wikipedia:%E7%BF%BB%E8%A8%B3%E3%81%AE%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3" title="Wikipedia:翻訳のガイドライン">Wikipedia:翻訳のガイドライン</a>に、より詳細な翻訳の手順・指針についての説明があります。</li></ul></div></div></div></td></tr></tbody></table> <p><b>5次元</b>(ごじげん、<b>五次元</b>)は、<a href="/wiki/%E7%A9%BA%E9%96%93" title="空間">空間</a>の<a href="/wiki/%E6%AC%A1%E5%85%83" title="次元">次元</a>が5であること。次元が5である空間を<b>5次元空間</b>と呼ぶ。 </p> <div class="mw-heading mw-heading2"><h2 id="性質"><span id=".E6.80.A7.E8.B3.AA"></span>性質</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=5%E6%AC%A1%E5%85%83&action=edit&section=1" title="節を編集: 性質"><span>編集</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>5次元空間内の点の<a href="/wiki/%E5%BA%A7%E6%A8%99" title="座標">座標</a>は、5つの値を並べた<a href="/wiki/%E4%BD%8D%E7%BD%AE%E3%83%99%E3%82%AF%E3%83%88%E3%83%AB" class="mw-redirect" title="位置ベクトル">位置ベクトル</a>により表現できる。</li> <li>5次元の<a href="/wiki/%E7%A9%BA%E9%96%93%E3%83%99%E3%82%AF%E3%83%88%E3%83%AB" title="空間ベクトル">ベクトル</a>の<a href="/wiki/%E7%B5%B6%E5%AF%BE%E5%80%A4" title="絶対値">絶対値</a>は<a href="/wiki/%E3%83%94%E3%82%BF%E3%82%B4%E3%83%A9%E3%82%B9%E3%81%AE%E5%AE%9A%E7%90%86" title="ピタゴラスの定理">ピタゴラスの定理</a>を拡張した形<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\sqrt {v^{2}+w^{2}+x^{2}+y^{2}+z^{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <msup> <mi>v</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <msup> <mi>w</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <msup> <mi>y</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <msup> <mi>z</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\sqrt {v^{2}+w^{2}+x^{2}+y^{2}+z^{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/361ca5de8c7aab5a7da33d3c5c79ec039f57b070" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.671ex; width:25.329ex; height:4.843ex;" alt="{\displaystyle {\sqrt {v^{2}+w^{2}+x^{2}+y^{2}+z^{2}}}}"></span>で定義される。</li></ul> <div class="mw-heading mw-heading2"><h2 id="5次元ポリトープ"><span id="5.E6.AC.A1.E5.85.83.E3.83.9D.E3.83.AA.E3.83.88.E3.83.BC.E3.83.97"></span>5次元ポリトープ</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=5%E6%AC%A1%E5%85%83&action=edit&section=2" title="節を編集: 5次元ポリトープ"><span>編集</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r101304250"><table class="box-節スタブ plainlinks metadata ambox mbox-small-left ambox-content" role="presentation"><tbody><tr><td class="mbox-image"><span typeof="mw:File"><a href="/wiki/%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB:Wiki_letter_w_cropped.svg" class="mw-file-description"><img alt="[icon]" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Wiki_letter_w_cropped.svg/20px-Wiki_letter_w_cropped.svg.png" decoding="async" width="20" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Wiki_letter_w_cropped.svg/30px-Wiki_letter_w_cropped.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Wiki_letter_w_cropped.svg/40px-Wiki_letter_w_cropped.svg.png 2x" data-file-width="44" data-file-height="31" /></a></span></td><td class="mbox-text"><div class="mbox-text-span">この節の<a class="external text" href="https://ja.wikipedia.org/w/index.php?title=5%E6%AC%A1%E5%85%83&action=edit">加筆</a>が望まれています。</div></td></tr></tbody></table> <div class="rellink" style="margin-bottom: 0.5em; padding-left: 2em; font-size: 90%;" role="note">→「<a href="/wiki/%E3%83%9D%E3%83%AA%E3%83%88%E3%83%BC%E3%83%97" title="ポリトープ">ポリトープ</a>」も参照</div> <p><a href="/wiki/%E6%8A%95%E5%BD%B1%E5%9B%B3" class="mw-redirect" title="投影図">投影</a>には、<a href="/wiki/4%E6%AC%A1%E5%85%83" title="4次元">4次元</a>までの<a href="/wiki/%E5%9B%B3%E5%BD%A2" title="図形">図形</a>とは少々異なる方法を使う。 </p> <div class="mw-heading mw-heading3"><h3 id="超球"><span id=".E8.B6.85.E7.90.83"></span>超球</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=5%E6%AC%A1%E5%85%83&action=edit&section=3" title="節を編集: 超球"><span>編集</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>半径rの5次元<a href="/wiki/%E8%B6%85%E7%90%83%E3%81%AE%E4%BD%93%E7%A9%8D" title="超球の体積">超球の体積</a> V は、半径を r とすれば、以下の式で求められる。 </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle V={\frac {8}{15}}\pi ^{2}r^{5}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>V</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>8</mn> <mn>15</mn> </mfrac> </mrow> <msup> <mi>π<!-- π --></mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <msup> <mi>r</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle V={\frac {8}{15}}\pi ^{2}r^{5}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/52ca0743f11d37f167715a529f19058b3bf436eb" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:12.538ex; height:5.176ex;" alt="{\displaystyle V={\frac {8}{15}}\pi ^{2}r^{5}}"></span></dd></dl> <div class="navbox" aria-labelledby="次元" style="border-collapse:collapse;padding:3px"><table class="nowraplinks hlist mw-collapsible uncollapsed navbox-inner" style="background:transparent;color:inherit;min-width:100%;border-spacing:0px;border-collapse:separate"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div style="float:left;width:6em;text-align:left"><div class="noprint plainlinks navbar hlist" style="white-space:nowrap;font-size:60%;font-weight:normal;background-color:transparent;padding:0;color:#000;;border:none;"><ul style="display:inline"><li><a href="/wiki/Template:%E6%AC%A1%E5%85%83" title="Template:次元"><span title="このテンプレートを表示します" style="font-size:125%;;;border:none;">表</span></a></li><li><a href="/w/index.php?title=Template%E2%80%90%E3%83%8E%E3%83%BC%E3%83%88:%E6%AC%A1%E5%85%83&action=edit&redlink=1" class="new" title="「Template‐ノート:次元」 (存在しないページ)"><span title="このテンプレートのノートを表示します" style="font-size:125%;color:#002bb8;;;border:none;">話</span></a></li><li><a class="external text" href="https://ja.wikipedia.org/w/index.php?title=Template%3A%E6%AC%A1%E5%85%83&action=edit"><span title="このテンプレートを編集します。保存の前にプレビューを忘れずに。" style="font-size:125%;color:#002bb8;;;border:none;">編</span></a></li><li><a class="external text" href="https://ja.wikipedia.org/w/index.php?title=Template%3A%E6%AC%A1%E5%85%83&action=history"><span title="このテンプレートの過去の版を表示します" style="font-size:125%;color:#002bb8;;;border:none;">歴</span></a></li></ul></div></div><div id="次元" style="font-size:110%;margin:0 6em"><a href="/wiki/%E6%AC%A1%E5%85%83" title="次元">次元</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">定義</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E7%9B%B8%E4%BC%BC%E6%AC%A1%E5%85%83" title="相似次元">相似次元</a></li> <li><a href="/w/index.php?title=%E5%AE%B9%E9%87%8F%E6%AC%A1%E5%85%83&action=edit&redlink=1" class="new" title="「容量次元」 (存在しないページ)">容量次元</a></li> <li><a href="/wiki/%E4%BD%8D%E7%9B%B8%E6%AC%A1%E5%85%83" class="mw-redirect" title="位相次元">位相次元</a></li> <li><a href="/wiki/%E3%83%8F%E3%82%A6%E3%82%B9%E3%83%89%E3%83%AB%E3%83%95%E6%AC%A1%E5%85%83" title="ハウスドルフ次元">ハウスドルフ次元</a></li> <li><a href="/w/index.php?title=%E3%83%9F%E3%83%B3%E3%82%B3%E3%83%95%E3%82%B9%E3%82%AD%E3%83%BC%E6%AC%A1%E5%85%83&action=edit&redlink=1" class="new" title="「ミンコフスキー次元」 (存在しないページ)">ミンコフスキー次元</a></li> <li><a href="/wiki/%E3%83%95%E3%83%A9%E3%82%AF%E3%82%BF%E3%83%AB%E6%AC%A1%E5%85%83" title="フラクタル次元">フラクタル次元</a></li></ul> </div></td><td class="navbox-image" rowspan="4" style="width:1px;padding:0px 0px 0px 2px"><div><span typeof="mw:File"><a href="/wiki/%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB:Tesseract.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Tesseract.gif/80px-Tesseract.gif" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Tesseract.gif/120px-Tesseract.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/55/Tesseract.gif/160px-Tesseract.gif 2x" data-file-width="256" data-file-height="256" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">整数次元</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/0%E6%AC%A1%E5%85%83" title="0次元">0次元</a></li> <li><a href="/wiki/1%E6%AC%A1%E5%85%83" title="1次元">1次元</a></li> <li><a href="/wiki/2%E6%AC%A1%E5%85%83" title="2次元">2次元</a></li> <li><a href="/wiki/3%E6%AC%A1%E5%85%83" title="3次元">3次元</a></li> <li><a href="/wiki/4%E6%AC%A1%E5%85%83" title="4次元">4次元</a></li> <li><a class="mw-selflink selflink">5次元</a></li> <li><a href="/wiki/6%E6%AC%A1%E5%85%83" title="6次元">6次元</a> (<a href="/wiki/6DoF" title="6DoF">6DoF</a>)</li> <li><a href="/w/index.php?title=7%E6%AC%A1%E5%85%83&action=edit&redlink=1" class="new" title="「7次元」 (存在しないページ)">7次元</a></li> <li><a href="/w/index.php?title=8%E6%AC%A1%E5%85%83&action=edit&redlink=1" class="new" title="「8次元」 (存在しないページ)">8次元</a></li> <li><a href="/wiki/9%E6%AC%A1%E5%85%83" title="9次元">9次元</a></li> <li><a href="/w/index.php?title=10%E6%AC%A1%E5%85%83&action=edit&redlink=1" class="new" title="「10次元」 (存在しないページ)">10次元</a></li> <li><a href="/w/index.php?title=11%E6%AC%A1%E5%85%83&action=edit&redlink=1" class="new" title="「11次元」 (存在しないページ)">11次元</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/%E3%83%9D%E3%83%AA%E3%83%88%E3%83%BC%E3%83%97" title="ポリトープ">ポリトープ</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E8%B6%85%E5%B9%B3%E9%9D%A2" title="超平面">超平面</a></li> <li><a href="/wiki/%E8%B6%85%E6%9B%B2%E9%9D%A2" title="超曲面">超曲面</a></li> <li><a href="/wiki/%E8%B6%85%E7%AB%8B%E6%96%B9%E4%BD%93" title="超立方体">超立方体</a></li> <li><a href="/wiki/%E8%B6%85%E7%9B%B4%E6%96%B9%E4%BD%93" title="超直方体">超直方体</a></li> <li><a href="/wiki/%E8%B6%85%E7%90%83%E9%9D%A2" title="超球面">超球面</a></li> <li><a href="/wiki/%E8%B6%85%E7%9F%A9%E5%BD%A2" class="mw-redirect" title="超矩形">超矩形</a></li> <li><a href="/wiki/%E5%8D%8A%E8%B6%85%E7%AB%8B%E6%96%B9%E4%BD%93" class="mw-redirect" title="半超立方体">半超立方体</a></li> <li><a href="/wiki/%E6%AD%A3%E8%BB%B8%E4%BD%93" title="正軸体">正軸体</a></li> <li><a href="/wiki/%E5%8D%98%E4%BD%93_(%E6%95%B0%E5%AD%A6)" title="単体 (数学)">単体</a></li> <li><a href="/wiki/%E5%A4%9A%E8%83%9E%E4%BD%93" title="多胞体">多胞体</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">その他</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%BA%A7%E6%A8%99%E8%BB%B8" title="座標軸">座標軸</a></li> <li><a href="/wiki/%E6%B8%AC%E5%BA%A6%E8%AB%96" title="測度論">測度論</a></li> <li><a href="/wiki/2.5%E6%AC%A1%E5%85%83" title="2.5次元">2.5次元</a></li> <li><a href="/wiki/%E3%83%95%E3%83%A9%E3%82%AF%E3%82%BF%E3%83%AB%E5%B9%BE%E4%BD%95" title="フラクタル幾何">フラクタル幾何</a></li> <li><a href="/wiki/%E8%87%AA%E7%94%B1%E5%BA%A6_(%E6%9B%96%E6%98%A7%E3%81%95%E5%9B%9E%E9%81%BF)" class="mw-disambig" title="自由度 (曖昧さ回避)">自由度</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"> <ul><li><a href="/wiki/Category:%E6%AC%A1%E5%85%83" title="Category:次元">カテゴリ</a></li> <li><a href="/wiki/Portal:%E6%95%B0%E5%AD%A6" title="Portal:数学">ポータル:数学</a></li></ul></td></tr></tbody></table></div> <style data-mw-deduplicate="TemplateStyles:r96783592">.mw-parser-output .asbox{position:relative;overflow:hidden}.mw-parser-output .asbox table{background:transparent}.mw-parser-output .asbox p{margin:0}.mw-parser-output .asbox p+p{margin-top:0.25em}.mw-parser-output .asbox{font-size:90%}.mw-parser-output .asbox-note{font-size:90%}.mw-parser-output .asbox .navbar{position:absolute;top:-0.90em;right:1em;display:none}</style><div role="note" class="metadata plainlinks asbox stub"><table role="presentation"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB:Dodecahedron.svg" class="mw-file-description"><img alt="スタブアイコン" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Dodecahedron.svg/30px-Dodecahedron.svg.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Dodecahedron.svg/45px-Dodecahedron.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Dodecahedron.svg/60px-Dodecahedron.svg.png 2x" data-file-width="300" data-file-height="300" /></a></span></td><td><p class="asbox-body">この項目は、<a href="/wiki/%E5%B9%BE%E4%BD%95%E5%AD%A6" title="幾何学">幾何学</a>に関連した<b><a href="/wiki/Wikipedia:%E3%82%B9%E3%82%BF%E3%83%96" title="Wikipedia:スタブ">書きかけの項目</a></b>です。<a class="external text" href="https://ja.wikipedia.org/w/index.php?title=5%E6%AC%A1%E5%85%83&action=edit">この項目を加筆・訂正</a>などしてくださる<a href="/wiki/Category:%E5%B9%BE%E4%BD%95%E5%AD%A6%E9%96%A2%E9%80%A3%E3%81%AE%E3%82%B9%E3%82%BF%E3%83%96%E9%A0%85%E7%9B%AE" title="Category:幾何学関連のスタブ項目">協力者を求めています</a>(<a href="/wiki/%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88:%E6%95%B0%E5%AD%A6" title="プロジェクト:数学">プロジェクト:数学</a>/<a href="/wiki/Portal:%E6%95%B0%E5%AD%A6" title="Portal:数学">Portal:数学</a>)。</p></td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r99966302">.mw-parser-output .hlist ul,.mw-parser-output .hlist ol{padding-left:0}.mw-parser-output .hlist li,.mw-parser-output .hlist dd,.mw-parser-output .hlist dt{margin-right:0;display:inline-block;white-space:nowrap}.mw-parser-output .hlist dt:after,.mw-parser-output .hlist dd:after,.mw-parser-output .hlist li:after{white-space:normal}.mw-parser-output .hlist li:after,.mw-parser-output .hlist dd:after{content:" ·\a0 ";font-weight:bold}.mw-parser-output .hlist dt:after{content:": "}.mw-parser-output .hlist-pipe dd:after,.mw-parser-output .hlist-pipe 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