{"id":10500,"date":"2022-07-12T22:17:43","date_gmt":"2022-07-12T13:17:43","guid":{"rendered":"http:\/\/ftz.myds.me\/wordpress\/?p=10500"},"modified":"2022-11-11T15:10:15","modified_gmt":"2022-11-11T06:10:15","slug":"%eb%b2%a1%ed%84%b0","status":"publish","type":"post","link":"http:\/\/ftz.myds.me\/wordpress\/%eb%b2%a1%ed%84%b0\/","title":{"rendered":"\ubca1\ud130\u2726"},"content":{"rendered":"\n<p> [acf field=ver]\u2605[acf field=rate]![acf field=edited]  <\/p>\n\n\n\n<p class=\"has-text-align-right\">\ubca1\ud130<\/p>\n\n\n\n<p>\ud559\uc2b5\uc5d0 \ud544\uc694\ud55c \uc218\uc900\uc758 \uc774\ud574\ub9cc \uc788\uc73c\uba74 \ub418\uae30\ub54c\ubb38\uc5d0 \uc5b8\uae09\ub41c\ub0b4\uc6a9\ub9cc \uc798 \uc774\ud574\ud558\ub294\uac83\uc744 \ucd94\ucc9c\ud558\uace0<br>\uc2ec\ub3c4\uc788\ub294 \ud559\uc2b5\uc744\ud558\uba74 \uc120\ud615\ub300\uc218\ud559\uae4c\uc9c0 \ub05d\ub3c4\uc5c6\uc774 \uae4a\uc5b4\uc9c0\uae30\ub54c\ubb38\uc5d0 \uadf8\ub0e5 \uc5b8\uae09\ub41c\ub0b4\uc6a9\uc815\ub3c4\ub9cc!<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\ubca1\ud130(vector)\uac00 \ubb58\uae4c? 4\ubd84\ub9cc \ud22c\uc790\ud558\uc138\uc694 | \ubca1\ud130 \uc329\uae30\ucd08 1\uac15\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/YZKS_JwmOzs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3>\ubca1\ud130<\/h3>\n\n\n\n<p>\ubc29\ud5a5\uacfc \ud06c\uae30\ub97c \ub3d9\uc2dc\uc5d0 \uac00\uc9c0\uace0\uc788\ub294 \uc591<br>\uc77c\ubc18\uc801\uc778 \uc218\ud559\uc5d0\uc11c\ub294 \uc2a4\uce7c\ub77c \ub780 \ud06c\uae30\ub9cc\uc73c\ub85c \uacc4\uc0b0<br>\uc804\uae30\uc5d0\uc11c\ub294 \ubc29\ud5a5\uacfc \ud06c\uae30\ub97c \ub3d9\uc2dc\uc5d0 \uac00\uc9c4 \ubca1\ud130\ub780 \uac12\uc744 \uc54c\uc544\uc57c \uacc4\uc0b0\uc774\uac00\ub2a5<br>(\uad50\ub958\uc5d0\uc11c \uacc4\uc0b0\uc740 \uac70\uc758 \ub300\ubd80\ubd84 \ubca1\ud130\uac12\uacc4\uc0b0)<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\ubca1\ud130\uc758 \ub367\uc148, \ube84\uc148? 5\ubd84\ub9cc \ud22c\uc790\ud558\uc138\uc694 | \ubca1\ud130 \uc329\uae30\ucd08 2\uac15\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/OrPgGmWDFuA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3>\ub0b4\uc801\uacfc \uc678\uc801<\/h3>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\ubca1\ud130\uc758 \ub0b4\uc801 8\ubd84\ub9cc \ud22c\uc790\ud558\uc138\uc694 | \ub0b4\uc801\uc744 \uad6c\ud558\ub294 3\uac00\uc9c0 \ubc29\ubc95 | \ubca1\ud130\uc758 \uacf1\uc148??\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/2aNkZjGeonA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h4>(1)\ub0b4\uc801<\/h4>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/j1w2k3.tistory.com\/627\" target=\"_blank\">https:\/\/j1w2k3.tistory.com\/627<\/a><\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\overline{A}\\cdot \\overline{B} = |A||B|\\cos\\theta=A_xB_x +A_yB_y+A_zB_z \\]<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/vendor\/regenerator-runtime.min.js?ver=0.13.9' id='regenerator-runtime-js'><\/script>\n<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/vendor\/wp-polyfill.min.js?ver=3.15.0' id='wp-polyfill-js'><\/script>\n<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/hooks.min.js?ver=4169d3cf8e8d95a3d6d5' id='wp-hooks-js'><\/script>\n<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/i18n.min.js?ver=9e794f35a71bb98672ae' id='wp-i18n-js'><\/script>\n<script id='wp-i18n-js-after'>\nwp.i18n.setLocaleData( { 'text direction\\u0004ltr': [ 'ltr' ] } );\n<\/script>\n<script  async src='https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/mathjax\/2.7.7\/MathJax.js?config=TeX-MML-AM_CHTML' id='mathjax-js'><\/script>\n<\/div>\n\n\n\n<p>\ub3d9\uc77c\ubc29\ud5a5<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[i\\cdot i=j\\cdot j=k\\cdot k=1 \\]<\/div>\n\n\n\n<p>\uc11c\ub85c\uc9c1\uac01<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[i\\cdot j=j\\cdot k=k\\cdot i=0 \\]<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\ubca1\ud130\uc758 \uc678\uc801, 8\ubd84\ub9cc\uc5d0 \ub05d\ub0b4\uae30 | \uc678\uc801\uc740 \ubca1\ud130\ub2e4\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/3GsBaTqxcjM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\uc678\uc801\uc744 \ud589\ub82c\uc2dd\uc73c\ub85c? | \uc678\uc801\ud558\uace0 \ub0b4\uc801\ud558\uba74 \ubb34\uc2a8 \uc77c\uc774 \uc77c\uc5b4\ub0a0\uae4c?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/XDbBq6ImWi4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h4>(2)\uc678\uc801<\/h4>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/j1w2k3.tistory.com\/635\" target=\"_blank\">https:\/\/j1w2k3.tistory.com\/635<\/a><\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\overrightarrow{A}\\times \\overrightarrow{B}=|\\overrightarrow{A}||\\overrightarrow{B}|\\sin\\theta =\\begin{vmatrix}i &amp;  j &amp; k\\\\A_x &amp; A_y &amp; A_z\\\\B_x &amp; B_y &amp; B_z\\end{vmatrix} \\]<\/div>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ =\\begin{vmatrix}A_y &amp; A_z\\\\B_y &amp; B_z\\end{vmatrix}i+\n\\begin{vmatrix}A_z &amp; A_x\\\\B_z &amp; B_x\\end{vmatrix}j+\n\\begin{vmatrix}A_x\\ A_y\\\\B_x\\ B_y\\end{vmatrix}k \\]\n\\[=(A_yB_z-A_zB_y)i+(A_zB_x-A_xB_z)j\\]\\[+(A_xB_y-A_yB_x)k\\]<\/div>\n\n\n\n<p>\ub3d9\uc77c\ubc29\ud5a5<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[i\\cdot i=j\\cdot j=k\\cdot k=0 \\]<\/div>\n\n\n\n<p>\uc11c\ub85c\uc9c1\uac01(\ud68c\uc804\uc131)<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[i\\times j=k,\\ j\\times i=-k,\\]\n\\[\\ j\\times k=i,\\ k\\times j=-i,\\]\n\\[ k\\times i=j,\\ i\\times k=-j  \\]<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"579\" height=\"405\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\ubca1\ud130\uc758\uc678\uc801.png\" alt=\"\" class=\"wp-image-10927\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\ubca1\ud130\uc758\uc678\uc801.png 579w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\ubca1\ud130\uc758\uc678\uc801-300x210.png 300w\" sizes=\"(max-width: 579px) 100vw, 579px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3>\ubca1\ud130\uc758 \ubbf8\ubd84<\/h3>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\uc77c\ubc18\uc0c1\ub300\uc131\uc774\ub860_\ubca1\ud130\uc640 \ubbf8\ubd84\uc5f0\uc0b0\uc7901\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/hvpKZEU5qn8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h4>(1)\ubbf8\ubd84\uc5f0\uc0b0\uc790 (\u2207 : Nabla)<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\nabla =\\frac{\\partial }{\\partial  x}i+\\frac{\\partial }{\\partial  y}j+\\frac{\\partial }{\\partial  z}k \\]<\/div>\n\n\n\n<p><a href=\"https:\/\/namu.wiki\/w\/%EB%8D%B8(%EC%97%B0%EC%82%B0%EC%9E%90)\">https:\/\/namu.wiki\/w\/\ub378(\uc5f0\uc0b0\uc790)<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/namu.wiki\/w\/%EB%AF%B8%EB%B6%84\">https:\/\/namu.wiki\/w\/\ubbf8\ubd84<\/a><\/p>\n\n\n\n<h4>(2)\uc804\uc704\uacbd\ub3c4 (Gradient \uae30\uc6b8\uae30)<\/h4>\n\n\n\n<p>\uc99d\uac00\ud558\uace0 \uac10\uc18c\ud558\ub294 \uacbd\ud5a5<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ grad V=\\nabla V=\\frac{\\partial }{\\partial  x}i+\\frac{\\partial }{\\partial  y}j+\\frac{\\partial }{\\partial  z}k \\]<\/div>\n\n\n\n<h4>\uc804\uacc4\uc758 \uc138\uae30<\/h4>\n\n\n\n<p>\uc804\uacc4\uc758 \uc138\uae30\ub294 \uc804\uc704\uacbd\ub3c4\uc640 \ud06c\uae30\ub294\uac19\uace0 \ubc29\ud5a5\uc740\ubc18\ub300<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ E=-\u2207V=-grad V \\]<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"09\uc7a5 \ubca1\ud130\ubbf8\ubd84\ubc95 5 (\ubc1c\uc0b0\uacfc \ud68c\uc804) : \uacf5\uc5c5\uc218\ud559\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/DE8h9TbT0oM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h4>(3)\ubc1c\uc0b0 (Divergence)<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[div A= \\nabla \\cdot A=\\frac{\\partial A_x}{\\partial x} +\\frac{\\partial A_y}{\\partial x}+\\frac{\\partial A_z}{\\partial z}\\]<\/div>\n\n\n\n<h4>4.\ud68c\uc804 (Rotation)(<strong>\u2207<\/strong> x = rot = curl)<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\nabla\\times A=rot A =curl A \\]<\/div>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\nabla \\times A=\\begin{vmatrix}i &amp; j &amp; k\\\\\\frac{\\partial}{\\partial x} &amp; \\frac{\\partial}{\\partial y} &amp; \\frac{\\partial}{\\partial z}\\\\A_x &amp; A_y &amp; A_z\\end{vmatrix} \\]<\/div>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[=(\\frac{\\partial A_z}{\\partial y}-\\frac{\\partial A_y}{\\partial z})i+(\\frac{\\partial A_x}{\\partial z}-\\frac{\\partial A_z}{\\partial x})j\\]\\[+(\\frac{\\partial A_y}{\\partial x}-\\frac{\\partial A_x}{\\partial y})k\\]<\/div>\n\n\n\n<h4>(5)\ub77c\ud50c\ub77c\uc2dc\uc548<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\nabla^2 =\\nabla \\cdot\\nabla\\]\\[=\\frac{\\partial^2 }{\\partial x^2}+\\frac{\\partial^2 }{\\partial y^2}+\\frac{\\partial^2 }{\\partial z^2}=div\\ grad \\] <\/div>\n\n\n\n<h4>\ud478\uc544\uc1a1 \ubc29\uc815\uc2dd<\/h4>\n\n\n\n<p>\uc804\ud558\ubc00\ub3c4\uac00 \uacf5\uac04\uc801\uc73c\ub85c \ubd84\ud3ec\ud558\uace0 \uc788\uc744\ub54c \uadf8\ub0b4\ubd80\uc758 \uc784\uc758\uc758 \uc810\uc5d0\uc11c \uc804\uc704\ub97c \uacb0\uc815\ud558\ub294 \uc2dd<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\nabla^2 V=\\frac{\\partial^2 V}{\\partial x^2}+\\frac{\\partial^2 V}{\\partial y^2}+\\frac{\\partial^2 V}{\\partial z^2}=-\\frac{\\rho}{\\epsilon_0}  \\]<\/div>\n\n\n\n<h4>\ub77c\ud50c\ub77c\uc2a4 \ubc29\uc815\uc2dd<\/h4>\n\n\n\n<p>\uc804\ud558\ubd84\ud3ec\uc601\uc5ed\uc774\uc678\uc758 \ud55c\uc810\uc758 \uc804\uc704V\ub97c \uc0dd\uac01\ud560\ub54c\ub294\uadf8\uc810\uc5d0 \uc804\ud558\uac00 \uc5c6\uc73c\ubbc0\ub85c \uc804\uc704\uac00 0\uc774\ub2e4<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\nabla^2 V = \\frac{\\partial^2 V}{\\partial x^2}+\\frac{\\partial^2 V}{\\partial y^2}+\\frac{\\partial^2 V}{\\partial z^2}=0 \\]<\/div>\n\n\n\n<h4>(6)<a href=\"http:\/\/ftz.myds.me\/wordpress\/%EA%B0%80%EC%9A%B0%EC%8A%A4-%EB%B2%95%EC%B9%99\/\">\uac00\uc6b0\uc2a4\uc758 \ubc95\uce59<\/a> <\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ div D=\u2207\\cdot D=\\rho\\]<\/div>\n\n\n\n<p>\uc804\ud558\uac00 \uc874\uc7ac\ud558\ub294 \uacf5\uac04\uc5d0\uc11c\ub294 \uc804\uc18d\uc120\uc774 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ div E=\u2207\\cdot E=\\frac{\\rho}{\\epsilon_0}\\]<\/div>\n\n\n\n<p>\ub2e8\uc704\uccb4\uc801\uc5d0\uc11c \ubc1c\uc0b0\ud558\ub294 \uc804\uae30\ub825\uc120\uc758\uc218 <br>=\ub2e8\uc704\uccb4\uc801\ub2f9 \uc804\ud558\ub7c9 \u00d7 1\/\u03b5\u2080<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ div E=\u2207\\cdot E=0\\]<\/div>\n\n\n\n<p>\uc804\ud558\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uc810\uc740 \uc804\uae30\ub825\uc120\uc758 \uc0c8\ub85c\uc6b4 \ubc1c\uc0dd\uc774\ub098 \uc18c\uba78\uc774 \uc5c6\ub294 \uc5f0\uc18d\uc744 \uc758\ubbf8.<\/p>\n\n\n\n<h2>\uc88c\ud45c\uacc4<\/h2>\n\n\n\n<h4>1.\uc9c1\uac01\uc88c\ud45c\ubc95<\/h4>\n\n\n\n<p><a href=\"https:\/\/namu.wiki\/w\/%EC%A2%8C%ED%91%9C%EA%B3%84\">https:\/\/namu.wiki\/w\/%EC%A2%8C%ED%91%9C%EA%B3%84<\/a><\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\nabla =\\frac{\\partial }{\\partial x}i+\\frac{\\partial }{\\partial y}j+\\frac{\\partial }{\\partial z}k\\]<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"646\" height=\"674\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1106\u116e\u1112\u1161\u11ab\u110c\u1161\u11bc_\u110c\u1175\u11a8\u1109\u1165\u11ab\u1103\u1169\u110e\u1166_\u110c\u116e\u1107\u1167\u11ab\u110b\u1174_\u110c\u1165\u11ab\u1100\u1168.png\" alt=\"\" class=\"wp-image-8615\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1106\u116e\u1112\u1161\u11ab\u110c\u1161\u11bc_\u110c\u1175\u11a8\u1109\u1165\u11ab\u1103\u1169\u110e\u1166_\u110c\u116e\u1107\u1167\u11ab\u110b\u1174_\u110c\u1165\u11ab\u1100\u1168.png 646w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1106\u116e\u1112\u1161\u11ab\u110c\u1161\u11bc_\u110c\u1175\u11a8\u1109\u1165\u11ab\u1103\u1169\u110e\u1166_\u110c\u116e\u1107\u1167\u11ab\u110b\u1174_\u110c\u1165\u11ab\u1100\u1168-288x300.png 288w\" sizes=\"(max-width: 646px) 100vw, 646px\" \/><\/figure>\n\n\n\n<h4>2.\uc6d0\ud1b5\uc88c\ud45c\ubc95<\/h4>\n\n\n\n<p><a href=\"http:\/\/ftz.myds.me\/wordpress\/%EB%AC%B4%ED%95%9C%EC%9E%A5-%EC%A7%81%EC%84%A0-%EB%8F%84%EC%B2%B4-%EC%A3%BC%EB%B3%80%EC%9D%98-%EC%A0%84%EA%B3%84\/\">\ubb34\ud55c\uc7a5 \uc9c1\uc120 \ub3c4\uccb4 \uc8fc\ubcc0\uc758 \uc804\uacc4<\/a>\u2055 <\/p>\n\n\n\n<p><a href=\"https:\/\/namu.wiki\/w\/%EC%9B%90%EA%B8%B0%EB%91%A5\">https:\/\/namu.wiki\/w\/%EC%9B%90%EA%B8%B0%EB%91%A5<\/a><\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\nabla =\\frac{\\partial }{\\partial r}a_r+\\frac{\\partial }{r\\partial \\phi}a_{\\phi}+\\frac{\\partial }{\\partial z}a_z\\]<\/div>\n\n\n\n<h4>3.\uad6c\uc88c\ud45c\ubc95<\/h4>\n\n\n\n<p><a href=\"https:\/\/namu.wiki\/w\/%EA%B5%AC(%EB%8F%84%ED%98%95)\">https:\/\/namu.wiki\/w\/%EA%B5%AC(%EB%8F%84%ED%98%95)<\/a><\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\nabla =\\frac{\\partial }{\\partial r}a_r+\\frac{\\partial }{r \\partial \\theta }a_\\theta+\\frac{\\partial }{r \\sin\\theta\\partial\\phi}a_\\phi\\]<\/div>\n\n\n\n<h6><strong><a href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%b2%a1%ed%84%b0\/\">0.\ubca1\ud130<br><\/a><a href=\"http:\/\/ftz.myds.me\/wordpress\/%EC%A7%84%EA%B3%B5-%EC%A4%91%EC%9D%98-%EC%A0%95%EC%A0%84%EA%B3%84\/\">1.\uc9c4\uacf5 \uc911\uc758 \uc815\uc804\uacc4<br><\/a><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%a7%84%ea%b3%b5%ec%a4%91%ec%9d%98-%eb%8f%84%ec%b2%b4%ea%b3%84\/\">2.\uc9c4\uacf5\uc911\uc758 \ub3c4\uccb4\uacc4<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%9c%a0%ec%a0%84%ec%b2%b4\/\">3.\uc720\uc804\uccb4<br><\/a><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%a0%84%ea%b8%b0%ec%98%81%ec%83%81%eb%b2%95\/\">4.\uc804\uae30\uc601\uc0c1\ubc95<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%a0%84%eb%a5%98-2\/\">5.\uc804\ub958<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%a0%95%ec%9e%90%ea%b3%84\/\">6.\uc815\uc790\uacc4<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%9e%90%ea%b8%b0%ed%9a%8c%eb%a1%9c%ec%9e%90%ec%84%b1%ec%b2%b4\/\">7.\uc790\uae30\ud68c\ub85c(\uc790\uc131\uccb4)<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%9d%b8%eb%8d%95%ed%84%b4%ec%8a%a4%ec%a0%84%ec%9e%90%ec%9c%a0%eb%8f%84\/\">8.\uc778\ub355\ud134\uc2a4,\uc804\uc790\uc720\ub3c4<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%a0%84%ec%9e%90%ea%b3%84\/\">9.\uc804\uc790\uacc4<\/a><\/strong><\/h6>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[acf field=ver]\u2605[acf field=rate]![acf field=edited] \ubca1\ud130 \ud559\uc2b5\uc5d0 \ud544\uc694\ud55c \uc218\uc900\uc758 \uc774\ud574\ub9cc 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\ub3d9\uc77c\ubc29\ud5a5 \uc11c\ub85c\uc9c1\uac01 (2)\uc678\uc801 https:\/\/j1w2k3.tistory.com\/635 \ub3d9\uc77c\ubc29\ud5a5 \uc11c\ub85c\uc9c1\uac01(\ud68c\uc804\uc131) \ubca1\ud130\uc758 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