{"id":8735,"date":"2009-10-10T16:58:00","date_gmt":"2009-10-10T16:58:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=8735"},"modified":"2009-10-10T16:58:00","modified_gmt":"2009-10-10T16:58:00","slug":"%ec%9e%90%ea%b8%b0%ec%9e%a5%ec%97%90-%ec%9e%88%eb%8a%94-%ed%8f%89%ed%8c%90","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=8735","title":{"rendered":"\uc790\uae30\uc7a5\uc5d0 \uc788\ub294 \ud3c9\ud310"},"content":{"rendered":"<div class=\"desc\">\n        \ub204\uad70\uac00 \ubc29\uba85\ub85d\uc5d0 \uc9c8\ubb38\uc744 \uc62c\ub838\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \ubb38\uc81c\ub97c&#8230;<\/p>\n<p>        \ubb34\ud55c\ud788 \ub113\uc740 \ud3c9\ud310\uc774 \uba74\uc5d0 \uc218\uc9c1\uc778 \ubc29\ud5a5\uc73c\ub85c \uac78\ub9b0 \uc790\uae30\uc7a5\uc5d0 \ub193\uc5ec\uc788\ub2e4. \uc790\uae30\uc7a5\uc758 \uc138\uae30\ub294 \ub300\ucda9 $H_0$\ub77c\uace0 \ud558\uc790.<\/p>\n<p>        \ud3c9\ud310\uc758 \ub450\uaed8\uac00 d\ub77c\uba74, \uc790\uae30\uc7a5\uc758 \uc138\uae30\ub294?<\/p>\n<p>        \uc774 \ubb38\uc81c\ub294 \uc27d\ub2e4. -_-;<\/p>\n<p>        \uc6d0\ub798\ub294 \uc790\uae30\uc7a5\uc740 \ud640\uadf9\uc774\ub780 \uc5c6\uc73c\ubbc0\ub85c \uc2a4\uce7c\ub77c \ud3ec\ud150\uc15c\uc774 \uc5c6\uc9c0\ub9cc, \uc790\uae30\uc7a5\uc758 \ubc1c\uc0b0\uc774 0\uc778 \uacbd\uc6b0\uc5d0, \uc989 \uc548\uc5d0\uc11c \uc790\uae30\uc7a5\uc744 \ub4a4\ud754\ub4dc\ub294 \ub188\uc774 \uc5c6\uc73c\uba74 \uc2a4\uce7c\ub77c \ud3ec\ud150\uc15c \uac19\uc740\uac78 \uac00\uc815\ud574\uc11c \ud480\uc5b4\ub3c4 \ub41c\ub2e4. \uc989, \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc73c\ub85c \ud480\uc5b4\ub3c4 \ub41c\ub2e4.<\/p>\n<p>        z\ucd95 \ubc29\ud5a5\uc73c\ub85c \ub193\uc5ec\uc788\ub2e4\uace0 \ud558\uba74, \uc0ac\uc2e4 \ubb34\ud55c\ud788 \ub113\uae30 \ub54c\ubb38\uc5d0 x, y\ubc29\ud5a5\uc73c\ub85c\ub294 \uc0c1\uc218\ud568\uc218\ub77c\uace0 \ud574\ub3c4 \ub41c\ub2e4. \uadf8\ub7fc z\ucd95\ubc29\ud5a5\uc73c\ub85c\ub9cc\uc758 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc774\ub77c\ub294 \uac83\uc740 \uadf8\ub0e5 &#8220;2\ubc88 \ubbf8\ubd84\ud574\uc11c 0\ub418\ub294 \ud568\uc218&#8221;\ub97c \ucc3e\ub294 \ubc29\uc815\uc2dd\uc774 \ub418\uace0, \uc774\uac74 \uc554\uc0b0\uc73c\ub85c\ub3c4 \uacc4\uc0b0\ud560 \uc218 \uc788\ub2e4. f(z)=az+b \uc774\ub2e4. a\ub791 b\ub9cc \uc815\ud558\uba74, \uc774\ub7f0 \uc885\ub958\uc758 f(z)\ub294 2\ubc88 z\ub85c \ubbf8\ubd84\ud558\uba74 \ubb34\uc870\uac74 0\uc774 \ub418\uace0, \uc774\ub7f0 \ud568\uc218\ubc16\uc5d0 \uc5c6\ub2e4. \uc774 \ud615\ud0dc \uc774\uc678\uc758 \ub2e4\ub978 \uc5b4\ub5a0\ud55c \ud568\uc218\ub3c4 2\ubc88 \ubbf8\ubd84\ud574\uc11c 0\uc774 \ub418\ub294 \uac83\uc740 \uc5c6\ub2e4.<\/p>\n<p>        a\ub791 b\ub97c \uc815\ud558\uba74 \ub418\ub294\ub370, \uc6d0\uc810\uc744 \ud3c9\ud310\uc758 \uac00\uc6b4\ub370\uc5d0 \uc788\ub2e4\uace0 \uce58\uace0, \uc774 \ud568\uc218\ub294 \uc5f0\uc18d\ud568\uc218\uac00 \ub418\uc5b4\uc57c \ud558\ub2c8\uae4c, \ud3c9\ud310 \uc548\uc5d0\uc11c\ub97c f(z)\ub77c\uace0 \ud558\uace0, \ud3c9\ud310 \ubc14\uae65\uc5d0\uc11c\ub97c g(z)\ub77c\uace0 \ud558\uba74<br \/>\n        <br \/>\n        f(z)=az+b<br \/>\n        <br \/>\n        g(z)=cz+e<br \/>\n        <br \/>\n        \ucc98\ub7fc \uc4f8 \uc218\uac00 \uc788\ub2e4.<\/p>\n<p>        f(d\/2)=g(d\/2) \ub77c\uace0 \ud558\uba74,<br \/>\n        <br \/>\n        ad\/2+b=cd\/2+e\ub97c \ub9cc\uc871\ud574\uc57c \ud55c\ub2e4.<br \/>\n        <br \/>\n        \uadfc\ub370 a, b, c, e\uac00 \ubb54\uc9c0\ub97c \uc54c\uc544\uc57c&#8230;<\/p>\n<p>        \uc790\uae30\uc7a5\uc5d0 \ub300\ud55c \uacbd\uacc4\uc870\uac74\uc740, \uacbd\uacc4\uba74\uc758 \uc218\uc9c1\uc5d0 \ub300\ud574\uc11c\ub294 B\uc131\ubd84\uc774 \uac19\uc544\uc57c \ud558\uace0, \uc218\ud3c9\ubc29\ud5a5\uc5d0 \ub300\ud574\uc11c\ub294 H\uc131\ubd84\uc774 \uac19\uc544\uc57c \ud55c\ub2e4. \uadfc\ub370 \uc774 \uacbd\uc6b0 H\uc758 \uc218\ud3c9\uc131\ubd84\uc740 \uadf8\ub0e5 0\uc774\ub2e4. \ub300\uce6d\uc131 \ub54c\ubb38\uc774\ubbc0\ub85c \ubb34\uc870\uac74 OK<br \/>\n        <br \/>\n        B\uc131\ubd84\uc740 f\ub791 g\ub97c \ubbf8\ubd84\ud558\uba74 \ub418\ub294\ub370, \uc0ac\uc2e4 \uc6d0\ub798 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc774 H\uc5d0 \ub300\ud55c \ubc1c\uc0b0\uc774 0\uc778 \uacbd\uc6b0\uc600\uc73c\ub2c8\uae4c \uc774\uac78 \ubbf8\ubd84\ud55c \uac12\uc740 B\uac00 \uc544\ub2c8\ub77c H\ub2e4. \ub530\ub77c\uc11c \uac01 \uc601\uc5ed\uc5d0\uc11c\uc758 \ud22c\uc790\uc728 $\\mu$\ub97c \uc798 \uacf1\ud574\uc918\uc57c \ud55c\ub2e4. \ub300\ucda9 \ud3c9\ud310 \ubc14\uae65\uc740 \uc9c4\uacf5\uc774\ub77c\uace0 \ud574 \ub193\uace0 \uc9c4\uacf5\uc758 \ud22c\uc790\uc728\uc744 $\\mu_0$\ub77c\uace0 \ud558\uc790. \uadf8\ub7fc<br \/>\n        <br \/>\n        \ud3c9\ud310 \ubc16\uc5d0\uc11c\ub294 B\ub294 $-\\mu_0 a$\uc774\uace0 \ud3c9\ud310 \uc548\uc5d0\uc11c\ub294 $-\\mu c$\uc774\ubbc0\ub85c<br \/>\n        <br \/>\n        $c=\\frac{\\mu_0}{\\mu}a$<br \/>\n        <br \/>\n        \uc774\ub807\uac8c \ub41c\ub2e4.<\/p>\n<p>        \uadfc\ub370, \ud3c9\ud310 \ubc14\uae65\uc5d0 \uac78\ub9b0 \uc790\uae30\uc7a5\uc774 H\ub77c\uace0 \ud588\ub294\ub370, $B=\\mu_0 H = \\mu_0 H_0$ \uac00 \uc131\ub9bd\ud574\uc57c \ud55c\ub2e4. \ub530\ub77c\uc11c $a=-H_0$ \uac00 \ub41c\ub2e4. \uadf8\ub7fc c\ub3c4 \uad6c\ud560 \uc218 \uc788\ub2e4.<br \/>\n        <br \/>\n        $c=-\\frac{\\mu_0}{\\mu}H_0$<br \/>\n        <br \/>\n        \uc6d0\ub798 \uad6c\ud558\uace0 \uc2f6\uc5c8\ub358\uac74 \ud3c9\ud310 \uc548\uc5d0\uc11c\uc758 H\ub2c8\uae4c, f(z)\uc5d0 \ub300\uc785\ud558\uace0 \ubbf8\ubd84\ud558\uace0 -\ub97c \uacf1\ud574\uc8fc\uba74<br \/>\n        <br \/>\n        $H=\\frac{\\mu_0}{\\mu}H_0$<\/p>\n<p>        &#8230;<\/p>\n<p>        \ubb50 \uc774\ub798(?) \ub77c\ub294 \ud45c\uc815\uc73c\ub85c \ub098\ub97c \ubc14\ub77c\ubcf4\uc9c0 \uc54a\uc544\ub3c4 \ub41c\ub2e4. \uc774\uac74 \uc6d0\ub798 \uc26c\uc6b4\ubb38\uc81c\ub2e4. -_-;<br \/>\n        <br \/>\n        \uc794\ub729 \uae30\ub300\ub97c \uc2ec\uc5b4\uc8fc\uc5c8\ub358 b\uc640 e\ub294 \uc65c \uc548\uad6c\ud558\ub0d0\ub294 \ud45c\uc815\uc774 \ub208\uc5d0 \ubcf4\uc774\ub294\ub370, \uc5b4\ucc28\ud53c \uc6b0\ub9ac\uac00 \ubc14\ub77c\ub358\uac74 \uc790\uae30\uc7a5\uc774\uace0, \uc790\uae30\uc7a5\uc740 \uc6d0\ub798 \ud3ec\ud150\uc15c\uc744 \ubbf8\ubd84\ud55c \uac83\uc774\uc5c8\uace0, \uc0c1\uc218\ud56d\uc740 \ubbf8\ubd84\ud558\uba74 \uc6d0\ub798 \uc5c6\uc5b4\uc9c0\ub2c8\uae4c \uad73\uc774 \ub9de\ucdb0\uc904 \ud544\uc694\uac00 \uc5c6\ub2e4. \uc801\ub2f9\ud788 \ub300\ucda9 \uc54c\uc544\uc11c \ud3ec\ud150\uc15c\uc774 \uc5f0\uc18d\uc774 \ub418\ub3c4\ub85d \uc798 \ub9de\uaca0\uc9c0 \ubb50. \uad73\uc774 \ub123\uace0 \uc2f6\uc73c\uba74 100\ub9cc\uc774\ub4e0 1\uc5b5\uc774\ub4e0 \uc544\ubb34 \uc22b\uc790\ub098 \ub123\uc5b4\ub3c4 \ub2f5\uc774 \ub41c\ub2e4.<\/p>\n<p>        \uadf8 \ub2e4\uc74c, \ud3c9\ud310\uc774 \uc6d0\ub798 M\ub9cc\ud07c \uc790\ud654\uac00 \ub418\uc5b4 \uc788\ub294 \uc790\uc11d\uc774\ub77c\uace0 \ud558\uba74 \uc5b4\ub5bb\uac8c \ub420 \uac83\uc778\uac00. M\uc740 H\ub791 \ub9c8\ucc2c\uac00\uc9c0\ub85c +z\ubc29\ud5a5\uc774\ub77c\uace0 \uce58\uc790.<\/p>\n<p>        \uc774\uac83\ub3c4 \ube44\uc2b7\ud55c \ubc29\ubc95\uc73c\ub85c \ud480 \uc218 \uc788\ub294\ub370, B\uac00 H\uc5d0 \uc9c1\uc811 \ube44\ub840\ud558\ub294\uac8c \uc544\ub2c8\ub77c M\uc5d0 \uc758\ud55c \ud6a8\uacfc\uac00 \ucd94\uac00 \ub41c\ub2e4\ub294 \uc810\uc744 \uace0\ub824\ud558\uba74 \ub41c\ub2e4.<\/p>\n<p>        \uc0ac\uc2e4 \ub2f5\uc740&#8230;<br \/>\n        <br \/>\n        \uc0b0\uc218\uac00 \uc798 \ub418\uba74 \uc554\uc0b0\uc73c\ub85c\ub3c4 \ud560 \uc218 \uc788\ub294\ub370 $B=\\mu H = \\mu_0 (H+M)$\uc774\ub77c\ub294 \uacf5\uc2dd\uc744 \uc54c\uace0 \uc788\uc73c\uba74, \uadf8\ub0e5 \uc704\uc5d0\uc11c \ub098\uc628 \uacbd\uacc4\uc870\uac74\uc5d0 \uc798 \uc5ee\uc5b4\uc11c \ub123\uc5b4\uc8fc\uba74 \ub41c\ub2e4. \uc790\uc11d \ub0b4\ubd80\uc758 \uc790\uae30\uc7a5\uc774 H\uc5d0 \ub530\ub77c\uc11c \ubcc0\ud574\uc694~ \ub77c\uace0 \ub9d0\ud558\ub294 \uc0ac\ub78c\uc774 \uc788\uc744\ud150\ub370, \ub2f9\uc5f0\ud788 \ubcc0\ud55c\ub2e4. -_-;<\/p>\n<p>        \ud3c9\ud310 \uc548\ucabd\uc5d0\uc11c\ub294 $B=\\mu_0 (H+M)$\uc778\ub370, \ud3c9\ud310 \ubc14\uae65\ucabd\uc5d0\uc11c\ub294 $B=\\mu_0 H_0$\ub85c \uc8fc\uc5b4\uc9c4\ub2e4. \ub458\uc740 \uacbd\uacc4\uba74\uc5d0\uc11c \uac19\uc544\uc57c \ud558\ub2c8\uae4c \uacb0\uad6d $\\mu_0 (H+M) = \\mu_0 H_0$\uac00 \ub41c\ub2e4. \uc5ec\uae30\uc11c $H$\uac00 \uc5bc\ub9c8\uc778\uc9c0\ub294 \ub9d0 \uc548\ud574\ub3c4 \uc54c \uac83\uc774\ub2e4.<\/p>\n<p>\n        \ucd94\uac00 : \uc74c&#8230;\uadfc\ub370 \ub9de\uac8c \ud47c\uac83 \uac19\uc740\ub370, \uc65c \uc790\uafb8 \ud2c0\ub9b0\uac83 \uac19\ub2e4\ub294 \ub290\ub08c\uc774 \ub4e4\uc9c0?<br \/>\n        <\/p>\n<div style=\"width:100%;margin-top:30px;clear:both;height:30px\">\n<div style=\"width:31px;float:left;\">\n<a href=\"\/toolbar\/popup\/abuseReport\/?entryId=1552\" onclick=\"window.open(this.href, 'tistoryThisBlogPopup', 'width=550, height=510, toolbar=no, menubar=no, status=no, scrollbars=no'); return false;\"><br \/>\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"\uc2e0\uace0\" src=\"https:\/\/i0.wp.com\/t1.daumcdn.net\/tistory_admin\/static\/ico\/ico_spam_report.png\" style=\"border:0\"\/><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\ub204\uad70\uac00 \ubc29\uba85\ub85d\uc5d0 \uc9c8\ubb38\uc744 \uc62c\ub838\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \ubb38\uc81c\ub97c&#8230; \ubb34\ud55c\ud788 \ub113\uc740 \ud3c9\ud310\uc774 \uba74\uc5d0 \uc218\uc9c1\uc778 \ubc29\ud5a5\uc73c\ub85c \uac78\ub9b0 \uc790\uae30\uc7a5\uc5d0 \ub193\uc5ec\uc788\ub2e4. \uc790\uae30\uc7a5\uc758 \uc138\uae30\ub294 \ub300\ucda9 $H_0$\ub77c\uace0 \ud558\uc790. \ud3c9\ud310\uc758 \ub450\uaed8\uac00 d\ub77c\uba74, \uc790\uae30\uc7a5\uc758 \uc138\uae30\ub294? \uc774 \ubb38\uc81c\ub294 \uc27d\ub2e4. -_-; \uc6d0\ub798\ub294 \uc790\uae30\uc7a5\uc740 \ud640\uadf9\uc774\ub780 \uc5c6\uc73c\ubbc0\ub85c \uc2a4\uce7c\ub77c \ud3ec\ud150\uc15c\uc774 \uc5c6\uc9c0\ub9cc, \uc790\uae30\uc7a5\uc758 \ubc1c\uc0b0\uc774 0\uc778 \uacbd\uc6b0\uc5d0, \uc989 \uc548\uc5d0\uc11c \uc790\uae30\uc7a5\uc744 \ub4a4\ud754\ub4dc\ub294 \ub188\uc774 \uc5c6\uc73c\uba74 \uc2a4\uce7c\ub77c \ud3ec\ud150\uc15c \uac19\uc740\uac78 \uac00\uc815\ud574\uc11c \ud480\uc5b4\ub3c4 \ub41c\ub2e4. \uc989, \ub77c\ud50c\ub77c\uc2a4 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-8735","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-2gT","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/8735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8735"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/8735\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8735"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}