{"id":3748,"date":"2011-01-17T13:32:00","date_gmt":"2011-01-17T04:32:00","guid":{"rendered":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/?p=3748"},"modified":"2021-09-02T15:56:54","modified_gmt":"2021-09-02T06:56:54","slug":"qna","status":"publish","type":"post","link":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/2011\/01\/17\/qna\/","title":{"rendered":"QnA"},"content":{"rendered":"<p> ##Blog <\/p>\n<div id=\"outline-container-org9428833\" class=\"outline-2\">\n<h2 id=\"org9428833\">Q&amp;A\uc640 Discussions Page\uc785\ub2c8\ub2e4.<\/h2>\n<div class=\"outline-text-2\" id=\"text-org9428833\">\n<p> &#8221;&#8217;\uc774\uacf3\uc5d0\uc11c\ub294 \uc218\ud559 \uc804\ubc18\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc744 \ubc1b\uc2b5\ub2c8\ub2e4. \uace7\ubc14\ub85c \ub2f5\ud558\uc9c0 \ubabb\ud558\ub354\ub77c\ub3c4 \ucc38\uace0 \uae30\ub2e4\ub824 \uc8fc\uc138\uc694.&#8221;&#8217; (\uc8fc\uc778\uc758 \uc804\uacf5\uc740 \uae30\ud558\ud559\uc785\ub2c8\ub2e4.) <\/p>\n<hr \/>\n<p> -&#x2014; Q: <\/p>\n<hr \/>\n<p> -&#x2014; \uad50\uc218\ub2d8 \uc548\ub155\ud558\uc138\uc694. ^^ \ucd94\uc6b4 \uaca8\uc6b8, \uac74\uac15\uc740 \uad1c\ucc2e\uc73c\uc2e0\uc9c0\uc694?? \uac10\uae30\uc870\uc2ec\ud558\uc2dc\uace0, \ud56d\uc0c1 \uac74\uac15\ud558\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4. \uc9c8\ubb38\uc774 \uc788\uc5b4\uc11c \uc774\ub807\uac8c \uae00\uc744 \ub0a8\uae41\ub2c8\ub2e4. affine transformation\uc5d0 \ub300\ud574\uc11c \uad81\uae08\ud569\ub2c8\ub2e4. \ub300\uc218\ub97c \uacf5\ubd80\ud558\ub358 \uc911 \ubc1c\uacac\ud588\ub294\ub370, \ub300\ub7b5\uc801\uc73c\ub85c \ud655\ub300 \ucd95\uc18c, \ub300\uce6d, \ud68c\uc804, \ud3c9\ud589\uc774\ub3d9\uc744 \uc758\ubbf8\ud558\ub294 \ubcc0\ud658\uac19\uc2b5\ub2c8\ub2e4. affine transformation\uc740 \uc774\ucc28\uc6d0 \uc720\ud074\ub9ac\ub4dc \uacf5\uac04\uc5d0\uc11c \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub294 \uac83\uc778\uac00\uc694?? \uadf8\ub9ac\uace0 \uc65c \uc720\ud074\ub9ac\ub4dc \ubcc0\ud658 \uc774\ub77c\uace0 \ubd88\ub9ac\ub294 \uac83\uc778\uac00\uc694??(\ud639\uc2dc \ud68c\uc804,\ub300\uce6d, \ud3c9\ud589\uc774\ub3d9, \ud655\ub300\ucd95\uc18c \ub4f1\uc774 \uc720\ud074\ub9ac\ub4dc \uacf5\uac04\uc5d0\uc11c\uc758 \ubaa8\ub4e0 \uc758\ubbf8\uc788\ub294 motion\uc744 \ub73b\ud574\uc11c \uadf8\ub7f0 \uac83\uc778\uac00\uc694??) \uadf8\ub9ac\uace0 \uc774\uac83\uc774 \uc774\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c isometry \ubcf4\ub2e4 \ud655\ub300\ub41c \uac1c\ub150\uc778\uc9c0 \uc544\ub2d8 \ubcc4\uac1c\uc758 \uac83\uc73c\ub85c \ubd10\uc57c\ud560\uc9c0\ub3c4 \uad81\uae08\ud569\ub2c8\ub2e4. \uc804\uccb4\uc801\uc73c\ub85c \ubcfc\ub54c linearly function \uc73c\ub85c \uc0dd\uac01\ud560\uc218 \uc788\uc744 \uac83 \uac19\uc740\ub370, \uc120\ud615\ud568\uc218 \uad70\uc5d0\uc11c\uc758 \uc758\uc758\ub3c4 \uad81\uae08\ud558\ub124\uc694&#x2026;&#x2026;..(\uad81\uae08\ud55c\uac8c \ub9ce\uc544\uc11c \uc8c4\uc1a1\ud569\ub2c8\ub2e4.) \ub2f5\ubcc0 \ubd80\ud0c1\ub4dc\ub9bd\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uad1c\ucc2e\uc740 \ucc38\uace0\uc11c\uc801\uc744 \ucd94\ucc9c\ud574\uc8fc\uc2dc\uba74 \uac10\uc0ac\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uad50\uc218\ub2d8 \ud56d\uc0c1 \uac74\uac15\ud558\uc2dc\uace0 \uc0c8\ud574 \ubcf5 \ub9ce\uc774 \ubc1b\uc73c\uc138\uc694!! ^^ &#x2013; \uc2e0\uc601\uc2dd (Date(2011-01-17T09:24:54)) <\/p>\n<hr \/>\n<p> A: \ub098\ub3c4 \uc624\ub79c\ub9cc\uc5d0 \uc704\ud0a4\ub97c \uccb4\ud06c\ud574 \ubcf4\uc558\ub294\ub370 \uc9c8\ubb38\uc774 \uc788\uc5b4\uc11c \uae5c\uc9dd \ub180\ub790\ub124\uc694. \uc815\ub9d0 \uc624\ub79c\ub9cc\uc5d0 \uc774\ub807\uac8c \ucd94\uc6b4 \uaca8\uc6b8\uc774\uad70\uc694. \uc9c0\uae08\uc740 \ubb54\uac00 \uc6cc\ud06c\uc20d \uad00\uacc4\ub85c \ud3ec\ud56d\uc5d0 \ub0b4\ub824\uc640 \uc788\uc5b4\uc694. \uba70\uce60 \uc788\ub2e4\uac00 \uc62c\ub77c\uac00\uc694. <\/p>\n<p> Affine \ubcc0\ud658\uc740 \uac04\ub2e8\ud788 \uc9c1\uc120\uc758 \uc0c1\uc774 \ud56d\uc0c1 \uc9c1\uc120\uc774 \ub418\ub294 \ubcc0\ud658\ub4e4\uc774\uc608\uc694. \ub530\ub77c\uc11c \uc720\ud074\ub9ac\ub4dc \ubcc0\ud658(isometry)\ub97c \ubaa8\ub450 \ud3ec\ud568\ud558\uace0 \uadf8\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \ubcc0\ud658\uc774\uc9c0\uc694. Affine \ubcc0\ud658\uc5d0 \ub300\ud558\uc5ec \ubd88\ubcc0\uc778 \uc131\uc9c8\uc744 \uc5f0\uad6c\ud558\ub294 \uac83\uc740 Affine \uae30\ud558\ub77c\uace0 \ud558\uace0 \uc774\uc5d0 \ub300\ud55c \uad50\uacfc\uc11c\ub3c4 \ucc3e\uc744 \uc218 \uc788\uc744\uac70\uc608\uc694. \uadf8\ub9ac\uace0 \uc774 \ubcc0\ud658\uc740 \uc0ac\uc601\ubcc0\ud658\uacfc\ub3c4 \ubc00\uc811\ud55c \uad00\uacc4\uc5d0 \uc788\uc5b4\uc694. \uc9c0\uae08 \uc801\uc808\ud55c \ucc45\uc740 \uc0dd\uac01\ub098\uc9c0 \uc54a\uc9c0\ub9cc \uc2dc\uac04 \ub098\ub294\ub300\ub85c \ucc3e\uc544\ubcfc\uaed8\uc694. &#x2013; \uae40\uc601\uc6b1 (Date(2011-01-17T12:00:07)) <\/p>\n<hr \/>\n<p> \ub2f5\ubcc0 \uac10\uc0ac\ud569\ub2c8\ub2e4. \u314e\u314e \ud3ec\ud56d\uc5d0\uc11c \uc6cc\ud06c\uc20d\uc774 \uc788\uc73c\uc2dc\uad70\uc694. \uc11c\uc6b8\ubcf4\ub2e4 \ub0a8\ucabd\uc774\uc9c0\ub9cc \ubd80\uc0b0\ub3c4 \ubc31\ub144\ub9cc\uc758 \uac15\ucd94\uc704\ub77c\ub294\ub370 \ub2f9\uc5f0\ud788 \ud3ec\ud56d\ub3c4 \ucda5\uaca0\uc8e0?? \uac74\uac15 \uc870\uc2ec\ud558\uc138\uc694.(\uc694\uc998 \uac10\uae30\ub294 \uc27d\uac8c \ub118\uc5b4\uac00\uba74 \uc548\ub420 \uc911\ubcd1\uc778\ub4ef&#x2026;&#x2026;) \uac74\uac15\ud788 \uc6cc\ud06c\uc20d \uc798 \ub9c8\ubb34\ub9ac \ud558\uc2dc\uace0, \uc2dc\uac04 \uad1c\ucc2e\uc73c\uc2e4\ub54c \ucc38\uace0\uc11c\uc801\uc744 \uc54c\ub824\uc8fc\uc2dc\uba74 \uc815\ub9d0 \uace0\ub9d9\uaca0\uc2b5\ub2c8\ub2e4. ^^ &#x2013; \uc2e0\uc601\uc2dd (Date(2011-01-17T13:32:06)) (Comment) <\/p>\n<hr \/>\n<\/div>\n<\/div>\n<div id=\"outline-container-orgaf8ed12\" class=\"outline-2\">\n<h2 id=\"orgaf8ed12\">\uc9c0\ub09c Q&amp;A<\/h2>\n<div class=\"outline-text-2\" id=\"text-orgaf8ed12\">\n<ul class=\"org-ul\">\n<li>[wiki:QnA\/InnerProductInInfiniteDimension \ubb34\ud55c\ucc28\uc6d0\uacf5\uac04\uc758 \ub0b4\uc801 \ud45c\ud604]<\/li>\n<li>[wiki:QnA\/OnEssayExamOne \uc218\ub9ac\ub17c\uc220\uc758 \ud574\uc124\uc5d0 \ub300\ud55c \uc9c8\ubb38 1]<\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>##Blog Q&amp;A\uc640 Discussions Page\uc785\ub2c8\ub2e4. &#8221;&#8217;\uc774\uacf3\uc5d0\uc11c\ub294 \uc218\ud559 \uc804\ubc18\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc744 \ubc1b\uc2b5\ub2c8\ub2e4. \uace7\ubc14\ub85c \ub2f5\ud558\uc9c0 \ubabb\ud558\ub354\ub77c\ub3c4 \ucc38\uace0 \uae30\ub2e4\ub824 \uc8fc\uc138\uc694.&#8221;&#8217; (\uc8fc\uc778\uc758 \uc804\uacf5\uc740 \uae30\ud558\ud559\uc785\ub2c8\ub2e4.) -&#x2014; Q: -&#x2014; \uad50\uc218\ub2d8 \uc548\ub155\ud558\uc138\uc694. ^^ \ucd94\uc6b4 \uaca8\uc6b8, \uac74\uac15\uc740 \uad1c\ucc2e\uc73c\uc2e0\uc9c0\uc694?? \uac10\uae30\uc870\uc2ec\ud558\uc2dc\uace0, \ud56d\uc0c1 \uac74\uac15\ud558\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4. \uc9c8\ubb38\uc774 \uc788\uc5b4\uc11c \uc774\ub807\uac8c \uae00\uc744 \ub0a8\uae41\ub2c8\ub2e4. affine transformation\uc5d0 \ub300\ud574\uc11c \uad81\uae08\ud569\ub2c8\ub2e4. \ub300\uc218\ub97c \uacf5\ubd80\ud558\ub358 \uc911 \ubc1c\uacac\ud588\ub294\ub370, \ub300\ub7b5\uc801\uc73c\ub85c \ud655\ub300 \ucd95\uc18c, \ub300\uce6d, \ud68c\uc804, \ud3c9\ud589\uc774\ub3d9\uc744 \uc758\ubbf8\ud558\ub294 \ubcc0\ud658\uac19\uc2b5\ub2c8\ub2e4. affine &#8230; <a title=\"QnA\" class=\"read-more\" href=\"https:\/\/mathematicians.korea.ac.kr\/ywkim\/2011\/01\/17\/qna\/\" aria-label=\"QnA\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694\">\ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3748","post","type-post","status-publish","format-standard","hentry","category-4"],"distributor_meta":false,"distributor_terms":false,"distributor_media":false,"distributor_original_site_name":"\uae40\uc601\uc6b1","distributor_original_site_url":"https:\/\/mathematicians.korea.ac.kr\/ywkim","push-errors":false,"_links":{"self":[{"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts\/3748","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/comments?post=3748"}],"version-history":[{"count":1,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts\/3748\/revisions"}],"predecessor-version":[{"id":3749,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts\/3748\/revisions\/3749"}],"wp:attachment":[{"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/media?parent=3748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/categories?post=3748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/tags?post=3748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}