[B! 数学] R2Mのブックマーク

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href="/R2M/%E6%95%B0%E5%AD%A6/web/" > web </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E3%81%82%E3%81%A8%E3%81%A7%E8%AA%AD%E3%82%80/" > あとで読む </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E3%81%93%E3%82%8C%E3%81%AF%E3%81%99%E3%81%94%E3%81%84/" > これはすごい </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E3%81%AF%E3%81%A6%E3%81%AA/" > はてな </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E3%82%A2%E3%83%AB%E3%82%B4%E3%83%AA%E3%82%BA%E3%83%A0/" > アルゴリズム </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E3%82%A4%E3%83%99%E3%83%B3%E3%83%88/" > イベント </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E3%82%B9%E3%83%A9%E3%82%A4%E3%83%89/" > スライド </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E3%83%84%E3%83%BC%E3%83%AB/" > ツール </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E3%83%87%E3%82%B6%E3%82%A4%E3%83%B3/" > デザイン </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E3%83%87%E3%83%BC%E3%82%BF/" > データ </a> </li> <li> <a 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href="/R2M/%E6%95%B0%E5%AD%A6/%E6%8A%80%E8%A1%93/" > 技術 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E6%95%99%E8%82%B2/" > 教育 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E6%9B%B8%E7%B1%8D/" > 書籍 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E6%9B%B8%E8%A9%95/" > 書評 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E6%9C%AC/" > 本 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E6%A9%9F%E6%A2%B0%E5%AD%A6%E7%BF%92/" > 機械学習 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E6%AD%B4%E5%8F%B2/" > 歴史 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E7%89%A9%E7%90%86/" > 物理 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E7%89%A9%E7%90%86%E5%AD%A6/" > 物理学 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E7%94%9F%E7%89%A9/" > 生物 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E7%A0%94%E7%A9%B6/" > 研究 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E7%A4%BE%E4%BC%9A/" > 社会 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E7%B5%B1%E8%A8%88/" > 統計 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E8%82%B2%E5%85%90/" > 育児 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E8%A7%A3%E8%AA%AC/" > 解説 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E8%A8%80%E8%91%89/" > 言葉 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E8%AB%96%E6%96%87/" > 論文 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E8%AD%B0%E8%AB%96/" > 議論 </a> </li> <li> <a href="/R2M/%E6%95%B0%E5%AD%A6/%E9%87%8F%E5%AD%90%E5%8A%9B%E5%AD%A6/" > 量子力学 </a> </li> </ul> <p class="centerarticle-sub-navi-more"> <a href="/R2M/bookmark">タグの絞り込みを解除</a> </p> </div> </div> <div class="center-container"> <div class="centerarticle-title-container"> <h2 class="centerarticle-title"> 数学に関するR2Mのブックマーク (116) </h2> </div> <div class="js-user-bookmark-item-autoload-container" data-next-page-path="/R2M/%E6%95%B0%E5%AD%A6/?page=2" data-next-xhr-path="/api/users/R2M/bookmarks?tag=%E6%95%B0%E5%AD%A6&page=2" data-next-label="次のページ" > <script type="text/x-template" id="template-short-url-click"> {{#tweet_url}} <a href="{{tweet_url}}" target="_blank" rel="noopener noreferrer" data-gtm-click-label="reaction-twitter-clicks"><span>{{count}} clicks</span></a> {{/tweet_url}} {{^tweet_url}} <span>{{count}} clicks</span> {{/tweet_url}} </script> <script type="text/x-template" id="template-bookmark-item"> {{^is_wiped}} <li class="bookmark-item js-user-bookmark-item js-intent-share-bookmark" data-target-url="{{url}}"> <div class="centerarticle-entry {{#has_image}}is-image-entry-unit{{/has_image}}"> <h3 class="centerarticle-entry-title"> <a href="{{url}}" class="js-clickable-link js-keyboard-openable" target="_blank" rel="noopener{{#noreferrer}} noreferrer{{/noreferrer}}" data-gtm-click-label="user-bookmark-title"><img class="centerarticle-entry-favicon" src="{{favicon_url}}" alt="">{{title}}</a> </h3> <ul class="centerarticle-entry-data"> <li> <span class="centerarticle-users"> <a href="{{page_url}}" class="js-keyboard-entry-page-openable" title="{{title}} ({{total_bookmarks}}ブックマーク)" data-gtm-click-label="user-bookmark-users">{{total_bookmarks_with_user_postfix}}</a> </span> </li> <li> <a href="/R2M/{{url_query}}" title="『{{root_title}}』の新着エントリー" data-gtm-click-label="user-bookmark-domain"> {{root_title}} </a> </li> {{#is_categorized}} <li><a href="{{category_path}}" data-gtm-click-label="user-bookmark-category">{{category_title}}</a></li> {{/is_categorized}} </ul> <div class="centerarticle-entry-contents"> <p class="centerarticle-entry-summary">{{{summary_with_keyword_links}}}</p> {{#has_image}} <a href="{{canonical_url}}" class="centerarticle-entry-image" target="_blank" rel="noopener{{#noreferrer}} noreferrer{{/noreferrer}}" data-gtm-click-label="user-bookmark-thumb"> <img src="{{image_url}}" alt="{{title}}"> </a> {{/has_image}} </div> </div> <div class="centerarticle-reaction js-user-bookmark-id-container" id="bookmark-{{location_id}}"> <div class="centerarticle-reaction-comment js-user-bookmark-comment {{badge_icon}}" data-url="{{url}}" data-user-name="{{author_name}}"> <a href="{{top_page_path}}" data-gtm-click-label="user-reaction-usericon" class="centerarticle-reaction-thumb"> <img src="{{profile_icon_url}}" alt="{{author_name}}" title="{{author_name}}" class="centerarticle-reaction-image"> </a> <div class="centerarticle-reaction-main"> <span class="centerarticle-reaction-username"><a href="{{anchor_url}}" class="js-anchor-path" data-gtm-click-label="user-reaction-username">{{author_name}}</a></span> <span class="centerarticle-reaction-timestamp">{{created}}</span> <span class="js-private-icon status {{#is_public}}is-hidden{{/is_public}}"><img src="/images/v4/public/userpage/icon-private.svg" alt="非公開" width="10px" height="10px"></span> <div class="centerarticle-reaction-main-comment-tags"> <span class="js-comment">{{{comment_expanded}}}</span> <ul class="centerarticle-reaction-tags js-tag-text"> {{#tags}} <li><a href="/{{author_name}}/{{escaped_label}}/" data-gtm-click-label="user-reaction-tag">{{label}}</a></li> {{/tags}} </ul> </div> <div class="centerarticle-reaction-foot"> <div class="centerarticle-reaction-meta"> <span class="{{#is_bookmark}}comment-permalink{{/is_bookmark}}{{^is_bookmark}}original-permalink{{/is_bookmark}} js-comment-permalink"> <a href="{{comment_page_path}}" data-gtm-click-label="user-reaction-permalink" rel="{{#should_nofollow}}nofollow{{/should_nofollow}}">{{#is_bookmark}}リスト{{/is_bookmark}}{{^is_bookmark}}リンク{{/is_bookmark}}</a> </span> <span class="list-star-container js-list-star-container"></span> <span class="twitter-click js-short-url-clicks"></span> </div> <ul class="centerarticle-reaction-menu"> <li class="js-add-star-container add-star-container"></li> </ul> </div> </div> </div> </div> <ul class="centerarticle-reaction-following js-user-following-bookmarks-icon"> {{#following_bookmarks}} <li> <a href="{{anchor_url}}" class="following-bookmark-link" data-gtm-click-label="user-bookmark-following-bookmarker-icon"> <img src="{{profile_icon_url}}" alt="{{author_name}}" class="following-bookmark-icon" > </a> <span class="following-bookmark-popup"> <span class="following-bookmark-username">{{author_name}}</span><span class="following-bookmark-timestamp">{{created}}</span> <span class="following-bookmark-text"> {{ #comment }}<span class="following-bookmark-comment">{{ comment }}</span>{{ /comment }} <ul class="following-bookmark-tags"> {{ #tags }}<li>{{ label }}</li>{{ /tags }} </ul> </span> </span> </li> {{/following_bookmarks}} {{#following_bookmarks.length}} <li class="centerarticle-reaction-following-more"><button type="button" class="js-show-all-following-bookmarks" data-gtm-click-label="user-bookmark-showall-following-bookmarks">すべて表示</button></li> {{/following_bookmarks.length}} </ul> <div class="js-user-following-bookmarks-detail is-hidden"> {{#following_bookmarks}} <div class="centerarticle-reaction-comment js-user-bookmark-comment {{badge_icon}}" data-url="{{url}}" data-user-name="{{author_name}}"> <a href="{{top_page_path}}" data-gtm-click-label="user-reaction-usericon" class="centerarticle-reaction-thumb"> <img src="{{profile_icon_url}}" alt="{{author_name}}" title="{{author_name}}" class="centerarticle-reaction-image"> </a> <div class="centerarticle-reaction-main"> <span class="centerarticle-reaction-username"><a href="{{anchor_url}}" class="js-anchor-path" data-gtm-click-label="user-reaction-username">{{author_name}}</a></span> <span class="centerarticle-reaction-timestamp">{{created}}</span> <span class="js-private-icon status {{#is_public}}is-hidden{{/is_public}}"><img src="/images/v4/public/userpage/icon-private.svg" alt="非公開" width="10px" height="10px"></span> <div class="centerarticle-reaction-main-comment-tags"> <span class="js-comment">{{{comment_expanded}}}</span> <ul class="centerarticle-reaction-tags js-tag-text"> {{#tags}} <li><a href="/{{author_name}}/{{escaped_label}}/" data-gtm-click-label="user-reaction-tag">{{label}}</a></li> {{/tags}} </ul> </div> <div class="centerarticle-reaction-foot"> <div class="centerarticle-reaction-meta"> <span class="{{#is_bookmark}}comment-permalink{{/is_bookmark}}{{^is_bookmark}}original-permalink{{/is_bookmark}} js-comment-permalink"> <a href="{{comment_page_path}}" data-gtm-click-label="user-reaction-permalink" rel="{{#should_nofollow}}nofollow{{/should_nofollow}}">{{#is_bookmark}}リスト{{/is_bookmark}}{{^is_bookmark}}リンク{{/is_bookmark}}</a> </span> <span class="list-star-container js-list-star-container"></span> <span class="twitter-click js-short-url-clicks"></span> </div> <ul class="centerarticle-reaction-menu"> <li class="js-add-star-container add-star-container"></li> </ul> </div> </div> </div> {{/following_bookmarks}} </div> </li> {{/is_wiped}} </script> <script type="text/x-template" id="template-following-bookmarker-icon"> <li> <a href="{{anchor_url}}" class="following-bookmark-link" data-gtm-click-label="user-bookmark-following-bookmarker-icon"> <img src="{{profile_icon_url}}" alt="{{author_name}}" class="following-bookmark-icon" > </a> <span class="following-bookmark-popup"> <span class="following-bookmark-username">{{author_name}}</span><span class="following-bookmark-timestamp">{{created}}</span> <span class="following-bookmark-text"> {{ #comment }}<span class="following-bookmark-comment">{{ comment }}</span>{{ /comment }} <ul class="following-bookmark-tags"> {{ #tags }}<li>{{ label }}</li>{{ /tags }} </ul> </span> </span> </li> </script> <script type="text/x-template" id="template-bookmark-item-editor"> <div class="centerarticle-entry {{#has_image}}is-image-entry-unit{{/has_image}}"> <h3 class="centerarticle-entry-title"> <a href="{{url}}" class="js-clickable-link js-keyboard-openable" target="_blank" rel="noopener{{#noreferrer}} noreferrer{{/noreferrer}}" data-gtm-click-label="user-bookmark-title"><img class="centerarticle-entry-favicon" src="{{favicon_url}}" alt="">{{title}}</a> </h3> <ul class="centerarticle-entry-data"> <li> <span class="centerarticle-users"> <a href="{{page_url}}" class="js-keyboard-entry-page-openable" title="{{title}} ({{total_bookmarks}}ブックマーク)" data-gtm-click-label="user-bookmark-users">{{total_bookmarks_with_user_postfix}}</a> </span> </li> <li> <a href="/R2M/{{url_query}}" title="『{{root_title}}』の新着エントリー" data-gtm-click-label="user-bookmark-domain"> {{root_title}} </a> </li> {{#is_categorized}} <li><a href="{{category_path}}" data-gtm-click-label="user-bookmark-category">{{category_title}}</a></li> {{/is_categorized}} </ul> <div class="centerarticle-entry-contents"> <p class="centerarticle-entry-summary">{{{summary_with_keyword_links}}}</p> {{#has_image}} <a href="{{canonical_url}}" class="centerarticle-entry-image" target="_blank" rel="noopener{{#noreferrer}} noreferrer{{/noreferrer}}" data-gtm-click-label="user-bookmark-thumb"> <img src="{{image_url}}" alt="{{title}}"> </a> {{/has_image}} </div> </div> </script> <script type="text/x-template" id="template-bookmark-pager"> <li> <div class="centerarticle-pager"> <span class="centerarticle-waiting js-read-more-waiting is-hidden"><img src="https://b.st-hatena.com/77d2ee6f79ddaf78eb2d198936bae315b6721993/images/v4/public/common/loading@2x.gif" alt="残りのブックマークを読み込んでいます" width="16" height="16" /></span> {{#previous}} <a href="{{page_path}}">{{label}}</a> {{/previous}} {{#pages}} {{#page_path}} <span><a href="{{page_path}}">{{label}}</a></span> {{/page_path}} {{^page_path}} <span>{{label}}</span> {{/page_path}} {{/pages}} {{#next}} <a href="{{page_path}}">{{label}}</a> {{/next}} </div> </li> </script> <ul class="js-user-bookmark-item-list js-keyboard-controllable-container"> <li class="bookmark-item js-user-bookmark-item js-intent-share-bookmark" data-target-url="https://anond.hatelabo.jp/20240810175106"> <div class="centerarticle-entry is-image-entry-unit"> <h3 class="centerarticle-entry-title"> <a href="https://anond.hatelabo.jp/20240810175106" class="js-clickable-link js-keyboard-openable" target="_blank" rel="noopener" data-gtm-click-label="user-bookmark-title"><img class="centerarticle-entry-favicon" src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fanond.hatelabo.jp%2F20240810175106" alt="">追記したぞ！だからぁ！！俺は数学苦手なんだけどお前ら教え方クソなんだ..</a> </h3> <ul class="centerarticle-entry-data"> <li> <span class="centerarticle-users"> <a href="/entry/s/anond.hatelabo.jp/20240810175106" class="js-keyboard-entry-page-openable" title="追記したぞ！だからぁ！！俺は数学苦手なんだけどお前ら教え方クソなんだ.. (248ブックマーク)" data-gtm-click-label="user-bookmark-users">248 users</a> </span> </li> <li> <a href="/R2M/?url=https%3A%2F%2Fanond.hatelabo.jp%2F" title="『anond.hatelabo.jp』の新着エントリー" data-gtm-click-label="user-bookmark-domain"> anond.hatelabo.jp </a> </li> <li><a href="/hotentry/knowledge" data-gtm-click-label="user-bookmark-category">学び</a></li> </ul> <div class="centerarticle-entry-contents"> <p class="centerarticle-entry-summary">追記したぞ！だからぁ！！俺は<a data-gtm-click-label="entry-summary-keyword" href="/q/%E6%95%B0%E5%AD%A6">数学</a>苦手なんだけどお前ら教え方クソなんだよ！例えばな！三角形の面積の計算！縦×横×高さ÷2 これはなんなんだよ！って意味不明だろ！？だけどな三角形を2つ組み合わせると四角形になる！つまり四角形を半分にしたものが三角形だ！だから÷2が入るんだ！って教えないじゃねーか！四角形半分こですっていえよ！言わねーじゃねーな！だから俺は<a data-gtm-click-label="entry-summary-keyword" href="/q/%E6%95%B0%E5%AD%A6">数学</a>が苦手なんだ！ <a data-gtm-click-label="entry-summary-keyword" href="/q/%E6%95%B0%E5%AD%A6">数学</a>とかいみわかんねー！謎かけじゃねーか！バカやろー！ ◯△□こっから追記先生の話を聞いていたかって？勿論聞いてるにきまってるだろ！三角形を二つ合わせると四角形になるって言う理屈の説明の仕方が最悪だったぞ！三角形と三角形を合わせたら砂時計みたいな形になって三角形を組み合わせて六角形になるだろ！？⌛ それか三角形をこういう風に並べてみろ！◁▷ オラァどうしたどうしたぁ！だからな、俺はクラ</p> <a href="https://anond.hatelabo.jp/20240810175106" class="centerarticle-entry-image" target="_blank" rel="noopener" data-gtm-click-label="user-bookmark-thumb"> <img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/b1638cdb5807a4788e4ba3c1109a984166e095fc/height=288;version=1;width=512/https%3A%2F%2Fanond.hatelabo.jp%2Fimages%2Fog-image-1500.gif" alt="追記したぞ！だからぁ！！俺は数学苦手なんだけどお前ら教え方クソなんだ.."> </a> </div> </div> <div class="centerarticle-reaction js-user-bookmark-id-container" id="bookmark-4757542530150580672"> <div class="centerarticle-reaction-comment js-user-bookmark-comment " data-url="https://anond.hatelabo.jp/20240810175106" data-user-name="R2M"> <a href="/R2M/" data-gtm-click-label="user-reaction-usericon" class="centerarticle-reaction-thumb"> <img 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href="/hotentry/it" data-gtm-click-label="user-bookmark-category">テクノロジー</a></li> </ul> <div class="centerarticle-entry-contents"> <p class="centerarticle-entry-summary">確率密度関数が f(x)=Cekμ⊤xf(x)=Ce^{k\mu^{\<a data-gtm-click-label="entry-summary-keyword" href="/q/top">top</a>} x}f(x)=Cekμ⊤x であるような確率分布をフォンミーゼスフィッシャー分布（Von Mi<a data-gtm-click-label="entry-summary-keyword" href="/q/ses">ses</a>–Fisher distribution）と言います。ただし， xxx は ddd 次元ベクトルで，定義域は ∣x∣=1|x|=1∣x∣=1 を満たすもの全体（球面上） μ\muμ はパラメータ（長さが 111 の ddd 次元ベクトル） kkk もパラメータ（000 以上の定数）です。 <a data-gtm-click-label="entry-summary-keyword" href="/q/CCC">CCC</a> は正規化定数です。一般に <a data-gtm-click-label="entry-summary-keyword" href="/q/CCC">CCC</a> をきれいに書き表すことはできません（ベッセル関数というものが登場する）。ですが，d=3d=3d=3 の場合はうまく積分できます（後述）。 d=2d=2d=2 の場合でフォンミーゼスフィッシャー分布の意味を見てみましょう。定義域は単位円周上です。単位円周上の点には「向き」が対応します</p> <a href="https://manabitimes.jp/math/1383" class="centerarticle-entry-image" target="_blank" rel="noopener" data-gtm-click-label="user-bookmark-thumb"> <img 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I will keep this tum<a data-gtm-click-label="entry-summary-keyword" href="/q/BL">bl</a>r so the links will not be broken, but I am also copying the art<a data-gtm-click-label="entry-summary-keyword" href="/q/ICL">icl</a>es I have posted here to 4<a data-gtm-click-label="entry-summary-keyword" href="/q/bun">bun</a>gi.jp. Life is like riding a <a data-gtm-click-label="entry-summary-keyword" href="/q/BIC">bic</a>ycle. 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class="centerarticle-entry-summary">「その数自体は0でないのに、2乗するとはじめて0になる数」ってなんですか？そんな数あるはずがないと思いますか？でももしそんな数を考えることができるなら、ちょっとワクワクすると思いませんか？今回はそんな謎の数のお話。実数の中には、「2乗して0になる数」というのは0しかありません。（2乗して0になる実数は0しかない図）ということは、「2乗してはじめて0になる数」というのがあるとしたら、それは実数ではありえません。「1年A組にはメガネの人はいないので、メガネの人がいたとしたらその人は1年A組ではありえない」くらいの当たり前のことを言っています。この辺の議論は、複素数で「」を導入したときと同じですね。「実数の中には、2乗して-1になる数というのは存在しないので、それがあるとしたら実数ではありえない」ということで「虚数」であるが導入されるわけです。それならばということで、ここでは</p> <a href="https://www.ajimatics.com/entry/2021/03/22/174633" class="centerarticle-entry-image" target="_blank" rel="noopener" data-gtm-click-label="user-bookmark-thumb"> <img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/d9ca395311f56b5e72aa45cb828af86d03a3847d/height=288;version=1;width=512/https%3A%2F%2Fcdn-ak.f.st-hatena.com%2Fimages%2Ffotolife%2Fm%2Fmotcho%2F20200812%2F20200812171121.gif" alt="「2乗してはじめて0になる数」とかあったら面白くないですか？ですよね - アジマティクス"> </a> </div> </div> <div class="centerarticle-reaction js-user-bookmark-id-container" id="bookmark-4700160655929886274"> <div class="centerarticle-reaction-comment js-user-bookmark-comment " data-url="https://www.ajimatics.com/entry/2021/03/22/174633" data-user-name="R2M"> <a href="/R2M/" data-gtm-click-label="user-reaction-usericon" class="centerarticle-reaction-thumb"> <img src="https://cdn.profile-image.st-hatena.com/users/R2M/profile.png" alt="R2M" title="R2M" class="centerarticle-reaction-image"> </a> <div class="centerarticle-reaction-main"> <span class="centerarticle-reaction-username"><a href="https://b.hatena.ne.jp/R2M/20210322#bookmark-4700160655929886274" class="js-anchor-path" data-gtm-click-label="user-reaction-username">R2M</a></span> <span class="centerarticle-reaction-timestamp">2021/03/22</span> <span class="js-private-icon status is-hidden"><img src="/images/v4/public/userpage/icon-private.svg" alt="非公開" width="10px" height="10px"></span> <div class="centerarticle-reaction-main-comment-tags"> <span class="js-comment"></span> <ul 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class="centerarticle-entry-contents"> <p class="centerarticle-entry-summary"><a data-gtm-click-label="entry-summary-keyword" href="/q/%E6%95%B0%E5%AD%A6">数学</a>記号記法一覧普段私が用いているルールに則った記号・記法の一覧。私の専門の都合上、情報系の<a data-gtm-click-label="entry-summary-keyword" href="/q/%E6%A9%9F%E6%A2%B0%E5%AD%A6%E7%BF%92">機械学習</a>・<a data-gtm-click-label="entry-summary-keyword" href="/q/%E6%95%B0%E7%90%86%E6%9C%80%E9%81%A9%E5%8C%96">数理最適化</a>（線形代数、微積分、微分幾何など）に偏っており、プログラミング言語理論（論理学、圏論）や暗号・符号（群、環、体）の方面はほとんど書いていない。 <a data-gtm-click-label="entry-summary-keyword" href="/q/%E6%9C%AC">本</a>記事の内容のほとんどは一般的な表記に則っているため、他の<a data-gtm-click-label="entry-summary-keyword" href="/q/%E6%9C%AC">本</a>や論文を読むときに索引してもよい。記号についてあまり詳しい解説はしない。実際に表示される記号なんという名前の概念に対応しているか La<a data-gtm-click-label="entry-summary-keyword" href="/q/TeX">TeX</a> コマンドなどを書いておくので、わからなければ各自調べてほしい。 <a data-gtm-click-label="entry-summary-keyword" href="/q/%E6%95%B0%E5%AD%A6">数学</a>記号記法一覧（集合・線形代数） ← いまここ <a data-gtm-click-label="entry-summary-keyword" 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