{"id":9730,"date":"2011-06-09T16:33:00","date_gmt":"2011-06-09T16:33:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=9730"},"modified":"2011-06-09T16:33:00","modified_gmt":"2011-06-09T16:33:00","slug":"%eb%9d%bc%ed%94%8c%eb%9d%bc%ec%8a%a4-%eb%b0%a9%ec%a0%95%ec%8b%9d%ec%9d%84-%ec%bb%b4%ed%93%a8%ed%84%b0%eb%a1%9c-%ed%92%80%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=9730","title":{"rendered":"\ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc744 \ucef4\ud4e8\ud130\ub85c \ud480\uae30"},"content":{"rendered":"<div class=\"desc\">\n        \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc740 \uc544\uc8fc \uc720\uba85\ud55c 2\ucc28 \ud3b8\ubbf8\ubd84 \ubc29\uc815\uc2dd \uc911\uc758 \ud558\ub098\uc774\ub2e4. \ub77c\ud50c\ub77c\uc2dc\uc548 \uc5f0\uc0b0\uc790\ub294 n\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c \uc798 \uc815\uc758\ub41c \uc5b4\ub5a4 \ud568\uc218 f\ub97c, x\ub85c \ub450\ubc88, y\ub85c \ub450\ubc88, &#8230; \ub4f1\ub4f1 \uac19\uc740 \ubc29\ud5a5\uc73c\ub85c\ub9cc 2\ubc88 \ubbf8\ubd84\ud558\uc5ec \uadf8 \ud3b8\ub3c4\ud568\uc218\ub4e4\uc744 \ubaa8\ub450 \ub354\ud55c \ud568\uc218\ub85c \ubcf4\ub0b4\ub294 \uc5f0\uc0b0\uc790\uc774\ub2e4.<\/p>\n<p>        \ub77c\ud50c\ub77c\uc2dc\uc548 \uc5f0\uc0b0\uc790\ub97c L\uc774\ub77c\uace0 \ud558\uc790. \uadf8\ub7fc L[f] = 0 \uc744 \ub9cc\uc871\ud558\ub294 \ud568\uc218 f\ub97c \ucc3e\ub294 \uac83\uc774 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc744 \ud478\ub294 \ubc29\ubc95\uc774\ub2e4. \ub9cc\uc57d 1\ucc28\uc6d0 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc774\ub77c\uba74, \uc774 \ubb38\uc81c\ub294 2\ubc88 \ubbf8\ubd84\ud574\uc11c 0\uc774 \ub418\ub294 \ud568\uc218\uc774\ubbc0\ub85c \uc9c1\uc120\uc758 \ubc29\uc815\uc2dd\uc744 \ucc3e\uc73c\uba74 \ub418\uace0, \uc9c1\uc120\uc744 \uc720\uc77c\ud558\uac8c \uacb0\uc815\ud558\uae30 \uc704\ud574\uc11c \uc774 \uc9c1\uc120\uc774 \uc9c0\ub098\ub294 \uc810 2\uac1c\ub97c \uacb0\uc815\ud558\uba74 \ub41c\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uc54c \uc218 \uc788\ub2e4.<\/p>\n<p>        2\ucc28\uc6d0 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc774\ub77c\uba74, \uc774\uc81c \ubb38\uc81c\uac00 \uc2ec\uac01\ud574 \uc9c4\ub2e4. \uac00\uc7a5\uc790\ub9ac\uac00 \uc810\uc774 \uc544\ub2c8\ub77c \uace1\uc120\uc774 \ub41c\ub2e4. \uc2ec\uc9c0\uc5b4 n\ucc28\uc6d0 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc774\ub77c\uba74 n-1\ucc28\uc6d0\uc758 \ucd08\uace1\uba74\uc774 \uac00\uc7a5\uc790\ub9ac\ub97c \uc774\ub8e8\uac8c \ub41c\ub2e4. \uc774\uac83\uc744 \uc5b4\ub5bb\uac8c \ud480 \uac83\uc778\uac00?<\/p>\n<p>        \uc77c\ub2e8, \uc801\uc5b4\ub3c4 \ud558\ub098\uc758 \ud574\uac00 \uc788\ub2e4\uace0 \uac00\uc815\ud558\uc790. \uadf8\ub0e5 \uc788\ub2e4\uace0 \uce58\uc790. \uadf8\ub7fc, \ub9cc\uc57d \uc5b4\ub5a4 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc5d0 \ub300\ud574\uc11c 2\uac1c\uc758 \ud574\ub97c \ucc3e\uc744 \uc218 \uc788\uc744\uae4c? \uac00\ub839 f\uc640 g\uac00 \ub458 \ub2e4 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc758 \ud574\ub77c\uace0 \ud558\uc790. \uadf8\ub7fc L[f]=0\uc774\uace0 L[g]=0\uc774\ub2e4. \ub77c\ud50c\ub77c\uc2dc\uc548 \uc5f0\uc0b0\uc790\ub294 \uc120\ud615 \uc5f0\uc0b0\uc790\uc774\ubbc0\ub85c \ub2f9\uc5f0\ud788 L[f-g]=0\uc774 \uc131\ub9bd\ud55c\ub2e4. \uadf8\ub7f0\ub370 f-g=h\ub77c\uace0 \uac00\uc815\ud574\ubcf4\uc790. f\uc640 g\ub294 \uc644\uc804\ud788 \uc784\uc758\uc758 \ud568\uc218\uc774\ubbc0\ub85c \uacbd\uacc4\ub97c \ud3ec\ud568\ud55c \ubaa8\ub4e0 \uc810\uc5d0\uc11c h=0\uc77c \uc218\ubc16\uc5d0 \uc5c6\ub2e4. \ub530\ub77c\uc11c f=g\uc774\ub2e4. \uc6b0\ub9ac\uac00 \ud574\ub97c \uc5ec\ub7ec\uac00\uc9c0 \ubc29\ubc95\uc73c\ub85c \ucc3e\uc544\ub3c4, \uc8fc\uc5b4\uc9c4 \uacbd\uacc4\uc870\uac74\uc744 \ub9cc\uc871\ud558\ub294 \ud574\ub294 \ud558\ub098\ubc16\uc5d0 \uc5c6\ub2e4\ub294 \uac78 \uc54c \uc218 \uc788\ub2e4. \ub2e4\uc2dc \ub9d0\ud574\uc11c, \uc218\ub2e8\uacfc \ubc29\ubc95\uc744 \uac00\ub9ac\uc9c0 \uc54a\uace0 \ud558\ub098\ub97c \ucc3e\uc73c\uba74 \uadf8\uac8c \ubc14\ub85c \uc815\ub2f5\uc774\ub77c\ub294 \uac83\uc774 \ud655\uc2e4\ud558\ub2e4. \uc774\uc5d0 \ub300\ud55c \uc5c4\ubc00\ud55c \uc99d\uba85\uc740 \uc0dd\ub7b5\ud55c\ub2e4.<\/p>\n<p>        \uadf8\ub807\ub2e4\uba74, \uc774\uac83\uc744 \uc5b4\ub5bb\uac8c \ucef4\ud4e8\ud130\ub85c \ud480 \uac83\uc778\uac00?<\/p>\n<p>        \uc774\uc5d0 \ub300\ud574\uc11c Relaxation method\ub77c\ub294 \uac83\uc774 \uc788\ub2e4. \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc744 \ud1b5\uc9f8\ub85c \uac00\uc6b0\uc2a4 \uc801\ubd84 \ud558\uac8c \ub418\uba74, \uadf8 \ub0b4\ubd80\uc5d0\uc11c\uc758 \ud568\uc218\uac12\uc774 \uadf8 \uc8fc\ubcc0\uc5d0\uc11c\uc758 \ud568\uc218\uac12\ub4e4\uc758 \ud3c9\uade0\uac12\uacfc \uac19\uc544\uc9c0\ub294 \uc131\uc9c8\uc744 \uc774\uc6a9\ud55c \uac83\uc774\ub2e4. \uc989, \ubaa8\ub4e0 \uc810\uc5d0\uc11c \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc774 \ub9cc\uc871\ub420 \ub54c \uae4c\uc9c0 \uacc4\uc18d\ud574\uc11c \ud3c9\uade0\uc744 \ub0b4\uba74\uc11c \uc9c4\ud589\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n<p>        \uac00\ub839, \uaca9\uc790\ub97c 9\uce78\uc73c\ub85c \uc798\ub77c\uc11c<br \/>\n        <\/p>\n<div style=\"text-align: center;\">\n<\/div>\n<div class=\"txc-textbox\" style=\"border-style: solid; border-width: 1px; border-color: rgb(254, 254, 184); background-color: rgb(254, 254, 184); padding: 10px;\">\n<div style=\"text-align: center;\">\n          123<br \/>\n          <br \/>\n          456<br \/>\n          <br \/>\n          789<br \/>\n          \n<\/div>\n<\/div>\n<p>        \ub77c\uace0 \ud574 \ubcf4\uc790. \uadf8\ub7fc, 5\ubc88\uc5d0 \ud574\ub2f9\ud558\ub294 \uac12 f[5] \ub294 \ubaa8\ub974\ub2c8\uae4c \ucc98\uc74c\uc5d0 0\uc774\ub77c\uace0 \ud558\uc790. f[2]=1, f[4]=5, f[6]=3, f[8]3\uc774\ub77c\uace0 \ud574 \ubcf4\uc790. \uadf8\ub7fc, \ub9cc\uc57d \uc800 9\uce78\uc758 \uacf5\uac04\uc5d0 \uc8fc\uc5b4\uc9c4 \ud568\uc218 f\uac00 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc744 \ub9cc\uc871\ud55c\ub2e4\uba74, f[5]=3\uc774\uc5b4\uc57c\ub9cc \ud55c\ub2e4. \uadf8\ub9ac\uace0 \uadf8\ub807\uac8c \ucc3e\uc544\ub0b8 f[x]\ub294 \ubc18\ub4dc\uc2dc \uadf8 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc758 \ud574\uc774\ub2e4. \uc218\ub2e8\uacfc \ubc29\ubc95\uc744 \uac00\ub9ac\uc9c0 \uc54a\uace0 \uc5b4\ub5bb\uac8c\ub4e0 \ucc3e\uc544\ub0b4\uae30\ub9cc \ud558\uba74 \ub418\ub2c8\uae4c. \uc774 \ubc29\ubc95\uc744 \ub354 \ud070 \uacf5\uac04\uc73c\ub85c \ud655\uc7a5\ud574\uc11c \ud480\uac8c \ub418\uba74 \ubb38\uc81c\ub97c \uc798 \ud480 \uc218 \uc788\uac8c \ub41c\ub2e4. \uc774 \ubc29\ubc95\uc744 \ubc18\ubcf5\uc801\uc73c\ub85c \uc801\uc6a9\ud574\uc11c, \uacbd\uacc4\uc870\uac74\uc73c\ub85c \uc8fc\uc5b4\uc9c4(=\uc815\ud574\uc9c4) \uac12\ub4e4\uc740 \uacc4\uc18d \uace0\uc815\uc2dc\ucf1c \ub193\uace0\uc11c, \ub098\uba38\uc9c0 \ubd80\ubd84\uc758 \uac12\ub4e4\uc744 \uacc4\uc18d\ud574\uc11c \ud3c9\uade0\uc744 \ub0b4\uba74\uc11c \ubc14\uafd4\uac00\ub2e4\ubcf4\uba74, \uacbd\uacc4\uc870\uac74\uc758 \uac12\uc774 \uc0ac\ubc29\uc73c\ub85c \ud37c\uc838 \ub098\uac04\ub2e4. \ud558\uc9c0\ub9cc \ucda9\ubd84\ud788 \uc5ec\ub7ec\ubc88 \ubc18\ubcf5\ud558\ub2e4\ubcf4\uba74, \uac70\uc758 \uac12\uc774 \ubc14\ub00c\uc9c0 \uc54a\ub294 \uc815\ub3c4\ub85c \uc218\ub834\ud558\uac8c \ub418\ub294\ub370, \uc774\ub54c\uac00 \ubc14\ub85c &#8220;\ub2f5&#8221;\uc774 \ub41c \uc0c1\ud0dc\uc774\ub2e4. \uc774\uc81c \ud568\uc218\uac12\ub4e4\uc744 \uc798 \uc77d\uc5b4\ub2e4\uac00 &#8220;\uc815\ub2f5&#8221;\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uba74 \ub41c\ub2e4. \ubaa8\ub4e0 \uc810\uc5d0\uc11c &#8220;\uadfc\ucc98\uac12\ub4e4\uc758 \ud3c9\uade0\uacfc \uadf8 \uc548\uc5d0 \uc788\ub294 \ud568\uc218\uac12\uc774 \uac19\uc740&#8221; \uc0c1\ud0dc\uac00 \ub418\uc5c8\uae30 \ub54c\ubb38\uc5d0, \uc774 \uc0c1\ud0dc\ub294 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc744 \ub9cc\uc871\ud558\ub294 \uc0c1\ud0dc\uc774\ub2e4.<\/p>\n<p>        \uadf8\ub9ac\uace0 \uc55e\uc5d0\uc11c \ub9d0\ud588\ub4ef\uc774, \uc544\ubb34\ud2bc \ub2f5\uc744 \ucc3e\uae30\ub9cc \ud558\uba74 \uadf8 \ub2f5\uc774 \uc815\ub2f5\uc774 \ub9de\ub2e4.<\/p>\n<p><a href=\"http:\/\/tutorial.math.lamar.edu\/Classes\/DE\/LaplacesEqn.aspx\" target=\"_blank\" title=\"[http:\/\/tutorial.math.lamar.edu\/Classes\/DE\/LaplacesEqn.aspx]\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.\"><br \/>\n         http:\/\/tutorial.math.lamar.edu\/Classes\/DE\/LaplacesEqn.aspx<br \/>\n        <\/a><br \/>\n<br \/>\n<a href=\"http:\/\/rugth30.phys.rug.nl\/potentiaal_eng\/relaxatiemethode_hoe.htm\" target=\"_blank\" title=\"[http:\/\/rugth30.phys.rug.nl\/potentiaal_eng\/relaxatiemethode_hoe.htm]\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.\"><br \/>\n         http:\/\/rugth30.phys.rug.nl\/potentiaal_eng\/relaxatiemethode_hoe.htm<br \/>\n        <\/a><\/p>\n<p>        \ub2f5\uc744 \ucc3e\uae30 \uc704\ud574 \uc218\ub2e8\uacfc \ubc29\ubc95\uc744 \uac00\ub9ac\uc9c0 \uc54a\ub294 \uac83\uc774 \ubc14\ub85c \uc218\ud559\uc758 \uc815\uc2e0\uc774\ub784\uae4c.<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=2561\" 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>\ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc740 \uc544\uc8fc \uc720\uba85\ud55c 2\ucc28 \ud3b8\ubbf8\ubd84 \ubc29\uc815\uc2dd \uc911\uc758 \ud558\ub098\uc774\ub2e4. \ub77c\ud50c\ub77c\uc2dc\uc548 \uc5f0\uc0b0\uc790\ub294 n\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c \uc798 \uc815\uc758\ub41c \uc5b4\ub5a4 \ud568\uc218 f\ub97c, x\ub85c \ub450\ubc88, y\ub85c \ub450\ubc88, &#8230; \ub4f1\ub4f1 \uac19\uc740 \ubc29\ud5a5\uc73c\ub85c\ub9cc 2\ubc88 \ubbf8\ubd84\ud558\uc5ec \uadf8 \ud3b8\ub3c4\ud568\uc218\ub4e4\uc744 \ubaa8\ub450 \ub354\ud55c \ud568\uc218\ub85c \ubcf4\ub0b4\ub294 \uc5f0\uc0b0\uc790\uc774\ub2e4. \ub77c\ud50c\ub77c\uc2dc\uc548 \uc5f0\uc0b0\uc790\ub97c L\uc774\ub77c\uace0 \ud558\uc790. \uadf8\ub7fc L[f] = 0 \uc744 \ub9cc\uc871\ud558\ub294 \ud568\uc218 f\ub97c \ucc3e\ub294 \uac83\uc774 \ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd\uc744 \ud478\ub294 \ubc29\ubc95\uc774\ub2e4. \ub9cc\uc57d 1\ucc28\uc6d0 [&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-9730","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-2wW","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/9730","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=9730"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/9730\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9730"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}