{"id":7353,"date":"2006-12-14T15:20:00","date_gmt":"2006-12-14T15:20:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=7353"},"modified":"2006-12-14T15:20:00","modified_gmt":"2006-12-14T15:20:00","slug":"%ec%9c%84%ec%b9%98%ec%97%90-%ea%b4%80%ed%95%98%ec%97%ac","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=7353","title":{"rendered":"\uc704\uce58\uc5d0 \uad00\ud558\uc5ec"},"content":{"rendered":"
\n
\n * 2006\ub144 11\uc6d4 6\uc77c\uc5d0 \uc4f4 \uae00\uc744 \ubcf5\uc0ac\ud574\uc628 \uac81\ub2c8\ub2e4.<\/p>\n

\uc5ec\uae30\uc11c \uc6b0\ub9ac\ub294 “\uc785\uc790\ub294 \uc5b4\ub514\uc5d0 \uc788\ub294\uac00?”\ub77c\ub294 \uc9c8\ubb38\uc5d0 \ub300\ub2f5\ud558\uae30 \uc704\ud574
\n\ub610 \uae30\ub098\uae34 \uc124\uba85 \ud558\ub098\ub97c \uac70\uccd0\uc57c \ud55c\ub2e4. \ub2f9\uc2e0\uc774 “\uc88c\ud45c\uacc4”\uc5d0 \ub300\ud574 \uc798 \uc54c\uace0 \uc788\ub2e4\uba74 \uc774 \ubd80\ubd84\uc744 \uac74\ub108 \ub6f0\uc5b4\ub3c4 \uc0c1\uad00 \uc5c6\uc744 \uac83\uc774\ub2e4. \uc0ac\uc2e4
\n\ubab0\ub77c\ub3c4 \ub41c\ub2e4 -_-; \uadf8\ub807\uc9c0\ub9cc \uc124\uba85\ud558\uace0 \ub118\uc5b4\uac00\uaca0\ub2e4.<\/p>\n

\uc785\uc790\uac00 \ubb34\uc5c7\uc778\uc9c0\ub294 \uc798 \ubab0\ub77c\ub3c4 \ub41c\ub2e4. \ub098\ub294 \uadf8\ub0e5 ‘\uc785\uc790’\ub77c\uace0 \uc774\ub984 \ubd99\uc5ec\uc9c4 \ubb34\uc5b8\uac00\uc5d0 \uad00\ud558\uc5ec \uc774\uc57c\uae30 \ud560 \uac83\uc778\ub370, \uc785\uc790\ub294 \ub2f9\uc2e0\uc774
\n\uc0dd\uac01\ud558\ub294 \uc5b4\ub5a4 \uac83\uc774\ub77c\ub3c4 \uc88b\ub2e4. \uacf5, \uc790\ub3d9\ucc28, \ube44\ud589\uae30\ubd80\ud130 \uc18c\ub9ac, \ud30c\ub3c4, \uc0ac\ub791 \ub4f1 \uc774\ub984\ubd99\uc77c \uc218 \uc788\ub294 \ubaa8\ub4e0\uac83\uc744 \uc785\uc790\ub85c \ubcfc \uc218 \uc788\ub2e4.
\n
\n (\uc774\ub7f0 \uc758\ubbf8\uc5d0\uc11c \ubb3c\ub9ac\ud559\uc774\ub791 \uc218\ud559\uc740 \uad49\uc7a5\ud788 \uadfc\ubcf8\uc801\uc778 \ud559\ubb38\uc774\ub2e4. \uac10\uc815\ub3c4 \ubd84\uc11d \uac00\ub2a5\ud55c \ub300\uc0c1\uc73c\ub85c \ucde8\uae09\ud558\uae30 \ub54c\ubb38\uc774\ub2e4. \ubb50, \uadf8\ucabd\uc740 \uc2ec\ub9ac\ud559\uc774 \uc880 \ub354 \uac15\ub825\ud55c \ub3c4\uad6c\ub97c \uac16\uace0 \uc788\uc744\ud14c\uc9c0\ub9cc…)<\/p>\n

\uc544\ubb34\ud2bc \ubb3c\ub9ac\ud559\uc790\ub4e4\uc740 \uc785\uc790\uac00 \uc5b4\ub514\uc5d0 \uc788\ub294\uc9c0 \uc54c\uae30 \uc704\ud574\uc11c \uc22b\uc790\ub97c \uc774\uc6a9\ud55c\ub2e4. \ubcf4\ud1b5\uc740 \uc22b\uc790 3\uac1c\ub97c \ubb36\uc5b4\uc11c \uc0ac\uc6a9\ud558\ub294\ub370 \uc608\ub97c\ub4e4\uba74 (20,30,10)\uacfc \uac19\uc740 \uac83\uc774\ub2e4.
\n
\n \uc800 \uc22b\uc790\uc758 \uc758\ubbf8\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4. “\uc67c\ucabd\uc73c\ub85c 20, \uc55e\ucabd\uc73c\ub85c 30, \uc704\ub85c 10\uc758 \uc704\uce58.” \ub2e8\uc704\ub294 \uc5b4\ub5a4\uac83\uc774\ub4e0 \uc88b\ub2e4. \ubbf8\ud130,
\n\uc13c\uce58\ubbf8\ud130, \uc778\uce58, \ub2f9\uc2e0\uc758 \ubc1c\ubc14\ub2e5 \ud06c\uae30 \ub4f1\ub4f1. \uc774\ub7f0 \ubc29\ubc95\uc740 \uc6b0\ub9ac\uc9d1 \uc8fc\uc18c\ub97c \ud45c\uc2dc\ud560 \ub54c\ub3c4 \uc4f4\ub2e4. “803\ub3d9 1004\ud638”\ub77c\ub294 \ub9d0\uc5d0\ub294
\n“8\ub2e8\uc9c0\ub85c \ucc3e\uc544\uac00\uc11c 3\ubc88\uc9f8 \uac74\ubb3c\uc5d0 \uc788\ub294 10\uce35\uc758 4\ud638”\ub77c\ub294 \ub73b\uc774 \uc228\uc5b4\uc788\ub2e4. \uac04\ub2e8\ud55c \uc9d1\uc8fc\uc18c\uc5d0\ub3c4 3\ucc28\uc6d0\uc801\uc778 \uc704\uce58\ub97c \ud45c\ud604\ud558\ub294 \uac83\ub4e4\uc774
\n\uc228\uc5b4\uc788\ub294 \uac83\uc774\ub2e4.<\/p>\n

\uadf8\ub7fc \uc785\uc790\uac00 \uac00\ub9cc\ud788\ub9cc \uc788\uc744\uae4c? \uadf8\ub7fc \uc544\ubb34\uac83\ub3c4 \ud560 \uc218 \uc5c6\ub2e4. \ubb54\uac00 \uc6c0\uc9c1\uc784\uc774 \uc788\uc5b4\uc57c\ub9cc \uc785\uc790\uac00 \uc774\ub9ac\uc800\ub9ac \ub3cc\uc544\ub2e4\ub2c8\uba74\uc11c \uc77c\uc744 \ud560 \uc218
\n\uc788\uc744\ud14c\ub2c8\uae4c, \uc6b0\ub9ac\ub294 \uc785\uc790\uac00 \uc6c0\uc9c1\uc774\ub294 \uac78 \uc124\uba85\ud560 \uc218 \uc788\uc5b4\uc57c \ud55c\ub2e4. \uc5ec\uae30\uc5d0 \ubc29\uae08 \uc55e\uc5d0\uc11c \ubcf8 \uc88c\ud45c \uac1c\ub150\uc744 \ub3c4\uc785\ud558\uc790.<\/p>\n

\uc790, \ub098\ub294 \uc55e\uc73c\ub85c \ubcf4\ud1b5\uc758 \uc88c\ud45c\ub97c (a,b,c)\uc640 \uac19\uc774 \uc18c\ubb38\uc790\uc758 \ubb36\uc74c\uc73c\ub85c \ub098\ud0c0\ub0b4\uace0 (a,b,c)\ub97c \ud1b5\ud2c0\uc5b4\uc11c A\uc640 \uac19\uc740 \ub300\ubb38\uc790\ub85c \ub098\ud0c0\ub0b4\uaca0\ub2e4. \uc2dd\uc73c\ub85c \uc4f0\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n

A = (a,b,c)<\/p>\n

\uc774\uac83\uc740 \uac04\ub2e8\ud55c \ub4f1\uc2dd\uc774\ubbc0\ub85c \uc774\ud574\ud558\ub294\ub370 \uadf8\ub2e4\uc9c0 \uc5b4\ub835\uc9c0 \uc54a\uc744 \uac83\uc774\ub2e4.
\n
\n \uc774\ub54c, a,b,c\uc5d0\ub294 \uc5b4\ub5a4 \uc22b\uc790\ub77c\ub3c4 \ub4e4\uc5b4\uac08 \uc218 \uc788\ub2e4\ub294 \uc0ac\uc2e4\uc5d0 \uc8fc\uc758\ud558\uae30\ub97c…
\n
\n \uc544\ubb34\uc22b\uc790\ub098 \ub123\uc744 \uc218 \uc788\ub2e4\ub294 \uac83\uc740 \uaf64 \ub9e4\ub825\uc801\uc778 \uc131\uc9c8\uc774\ub2e4. \uc6b0\ub9ac\ub294 \uadf8\uacf3\uc5d0 \ud544\uc694\ud55c \uc22b\uc790\ub97c \ub123\uc5b4\uc11c \uc6d0\ud558\ub294 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\ub2e4.<\/p>\n

A\ub97c \uc774\uc57c\uae30 \ud588\uc73c\ubbc0\ub85c B\ub3c4 \uc774\uc57c\uae30 \ud574 \ubcf4\uc790.<\/p>\n

B = (l,m,n)<\/p>\n

\uc6b0\ub9ac\ub294 \uc785\uc790\uc758 \uc704\uce58\ub97c \ub9d0\ud558\uae30 \uc704\ud574 “\uc88c\ud45c”\ub77c\ub294 3\uac1c\uc758 \uc22b\uc790\ub97c \uc0ac\uc6a9\ud558\ub294\ub370, A\uc640 B\ub294 \uadf8\ub7f0 \uc88c\ud45c \uc911\uc5d0\uc11c \ud2b9\uc815\ud55c \uc810 2\uac1c\uc758
\n“\uc774\ub984”\uc774\ub2e4. \uc55e\uc73c\ub85c \ub0b4\uac00 A\ub77c\uace0 \ud558\uba74 \uadf8\uac83\uc740 (a,b,c)\ub77c\uace0 \ud558\ub294 \uc5b4\ub5a4 \uc810\uc744 \uac04\ub2e8\ud788 \ub9d0\ud55c \uac83\uc774\ub2e4. \uc774\uac83\uc740 “\uacbd\uae30\ub3c4 \uace0\uc591\uc2dc
\n\ub355\uc591\uad6c…”\ub85c \uae38\uac8c \uc774\uc5b4\uc9c0\ub294 \uc8fc\uc18c\ub97c “\uc6b0\ub9ac\uc9d1”\uc774\ub77c\ub294 \ud55c\ub9c8\ub514\ub85c \uc555\ucd95\ud55c\uac83\uacfc \uac19\ub2e4.<\/p>\n

\uadf8\ub7fc, A\uc5d0\uc11c B\ub85c \uc6c0\uc9c1\uc600\ub2e4\uace0 \ud558\uba74 \uc5bc\ub9c8\ub098 \uc6c0\uc9c1\uc778 \uac83\uc77c\uae4c?
\n
\n \uac04\ub2e8\ud788, B\uc5d0\uc11c A\ub97c \ube7c\uba74 \ub41c\ub2e4. \uc5b4\ub5bb\uac8c!?
\n
\n \uc544\ub798\uc640 \uac19\uc774 \uc801\uc73c\uba74 \uc5b4\ub5a8\uae4c\u3155?
\n
\n B – A = (l,m,n) – (a,b,c) = (l-a, m-b, c-n)<\/p>\n

\uac01\uac01 \uc88c\ud45c\uac12\ub07c\ub9ac \ube7c\uc900 \uac83\uc774\ub2e4.<\/p>\n

\ub0b4\uac00 \ubc29\uae08 \uc704\uc5d0\uc11c \uacc4\uc0b0\ud55c \uac83\uc744 \uc218\ud559\uc790\ub4e4\uc774\ub098 \ubb3c\ub9ac\ud559\uc790\ub4e4\uc740 “\ubca1\ud130\uc758 \ucc28”\ub77c\uace0 \uc774\uc57c\uae30\ud55c\ub2e4. \uadf8\ub7f0 \uc0ac\ub78c\ub4e4\uc740 A\uc640 B\ub97c \uac01\uac01 \ubca1\ud130\ub77c\uace0
\n\ubd80\ub974\ub294\ub370, \uc5b4\ub5a4 \ubca1\ud130\uc5d0\uc11c \ub2e4\ub978 \ubca1\ud130\ub97c \ube7c\ubc84\ub838\uae30 \ub54c\ubb38\uc5d0 \uadf8 \ucc28\uc774\ub97c \uacc4\uc0b0\ud55c\ub2e4\ub294 \uc758\ubbf8\uc5d0\uc11c “\ubca1\ud130\uc758 \ucc28”\ub77c\uace0 \ubd80\ub978\ub2e4.<\/p>\n

\ubb3c\ub860 \ubca1\ud130\uc758 \ud569\ub3c4 \uc22b\uc790\uc640 \ub611\uac19\uc740 \ubc29\ubc95\uc73c\ub85c \uacc4\uc0b0\ud560 \uc218 \uc788\ub2e4. \uacf1\ud558\uae30\uc758 \uacbd\uc6b0\uc5d0\ub294 \ub450\uac00\uc9c0 \uc885\ub958\uac00 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc880 \ubcf5\uc7a1\ud558\ub2e4. \ub2e4\uc74c\uc5d0 \uc774\uc57c\uae30\ud560 \uae30\ud68c\uac00 \uc788\uc744 \uac70\ub2e4.<\/p>\n

\uc544\ubb34\ud2bc \ubc29\uae08 \uc6b0\ub9ac\ub294 \uc5bc\ub9c8\ub098 \uc6c0\uc9c1\uc600\ub290\ub0d0\uc5d0 \uad00\ud55c \uc774\uc57c\uae30\ub97c \ud588\ub294\ub370, \uadf8\uac83\uc73c\ub85c \ub2e4 \ub05d\ub09c\uac78\uae4c?<\/p>\n

\uc124\ub9c8 \uadf8\ub7f4\ub9ac \uc5c6\ub2e4. \ub611\uac19\uc774 1km\ub97c \uc774\ub3d9\ud588\ub354\ub77c\ub3c4 1\uc2dc\uac04\ub9cc\uc5d0 \uc774\ub3d9\ud55c \uac83\uacfc 10\ubd84\ub9cc\uc5d0 \uc774\ub3d9\ud55c \uac83\uc740 \ubd84\uba85 \ub2e4\ub978 \uc810\uc774 \uc874\uc7ac\ud55c\ub2e4. \uc5b4\ub514\uac00 \uc5b4\ub5bb\uac8c \ub2e4\ub978 \uac83\uc77c\uae4c?<\/p>\n

\uac04\ub2e8\ud788 \uc0dd\uac01\ud574 \ubcf4\uc790. \uc5b4\ub5a4 \uacbd\uc6b0\uc5d0 \ub354 \ube68\ub9ac \uc774\ub3d9\ud588\uc744\uae4c?
\n
\n \uc9c1\uad00\uc801\uc73c\ub85c, \uadf8\ub9ac\uace0 \uc0c1\uc2dd\uc801\uc73c\ub85c 1\uc2dc\uac04\ub9cc\uc5d0 \uc774\ub3d9\ud55c\uac83\ubcf4\ub2e4 10\ubd84\ub9cc\uc5d0 \uc774\ub3d9\ud55c \uacbd\uc6b0\uac00 \ub354 \ube60\ub974\ub2e4. \uc6b0\ub9ac\ub294 \uc774\uac83\uc744 \ud45c\uc2dc\ud574\uc8fc\uae30 \uc704\ud558\uc5ec \uc774\ub3d9\ud55c \uac70\ub9ac\ub97c \uc2dc\uac04\uc73c\ub85c \ub098\ub204\uc5b4\uc11c \ud45c\ud604\ud55c\ub2e4.<\/p>\n

1km\/1\uc2dc\uac04, 1km\/10\ubd84<\/p>\n

\/\ub294 \uc55e\uc5d0 \uc788\ub294 \uc22b\uc790\ub97c \ub4a4\uc5d0 \uc788\ub294 \uc22b\uc790\ub85c \ub098\ub204\uc5b4\uc900\ub2e4\ub294 \ub73b\uc774\ub2e4.<\/p>\n

1\uc2dc\uac04\uc740 60\ubd84\uacfc \uac19\uae30 \ub54c\ubb38\uc5d0, “1km\/1\uc2dc\uac04”\uc774 “1km\/10\ubd84”\ubcf4\ub2e4 \ub354 \ud070 \uac12\uc744 \uac00\uc9c0\uac8c \ub41c\ub2e4\ub294 \uac78 \uc54c \uc218 \uc788\ub2e4. \uc798 \ubaa8\ub974\uaca0\ub2e4\uba74 \uc815\ud655\ud788 \uacc4\uc0b0\ud574 \ubcf4\uba74 \ub41c\ub2e4. \uc544\ub9c8 \uacc4\uc0b0\uc774 \ub05d\ub098\uc9c0 \uc54a\uc744 \uac83\uc774\ub2e4.<\/p>\n

\uadf8\ub7f0\ub370, 1\uc2dc\uac04\ub3d9\uc548 \uc774\ub3d9\ud55c \uacbd\uc6b0\ub77c\ub3c4 \uc5b4\ub5a4 \uacbd\uc6b0\uc5d0\ub294 10\ubd84\ub9cc\uc5d0 \uc774\ub3d9\ud55c \uac83\ubcf4\ub2e4 \ub354 \ube60\ub974\uac8c \uc6c0\uc9c1\uc600\uc744 \uac00\ub2a5\uc131\uc774 \uc788\ub2e4.
\n
\n \uadf8\ub807\uc9c0 \uc54a\uc740\uac00? \ub9c8\ub77c\ud1a4 \uc120\uc218\uac00 \ucc98\uc74c\ubd80\ud130 \uc788\ub294 \ud798\uaecf \ub2ec\ub9ac\uba74 \ub2e4\ub978 \uc120\uc218\ub4e4\ubcf4\ub2e4 \ub354 \uc55e\uc11c\ub098\uac00\uac8c \ub41c\ub2e4. \uadf8\ub7ec\ub098 \uc9c0\uccd0\uc11c \uacb0\uad6d\uc5d4 \uaf34\ucc0c\ub97c \ud558\uac8c \ub418\ub294 \uac83\uacfc \ub9c8\ucc2c\uac00\uc9c0\uc778 \uacbd\uc6b0\uac00 \uc874\uc7ac\ud558\ub294 \uac83\uc774\ub2e4. \ubd80\ub514 \uadf8\ub7f0 \uc77c\uc774 \uc5c6\ub2e4\uace0 \ud558\uc9c0 \ub9d0\uae30\ub97c…<\/p>\n

\uc774\ub7f0 \uacbd\uc6b0\ub294 \uc5b4\ub5bb\uac8c \ud45c\ud604\ud558\uba74 \uc88b\uc744\uae4c?<\/p>\n

\ubb3c\ub9ac\ud559\uc790\ub098 \uc218\ud559\uc790\ub4e4\uc740 \uc774\ub7f0 \uacbd\uc6b0\uc5d0 \ub2e4\uc74c\uacfc \uac19\uc774 \ub9d0\ud55c\ub2e4.<\/p>\n

“\uc2dc\uac04\uc5d0 \uad00\ud55c \uc18d\ub3c4\uc758 \ud568\uc218\ub97c \ud45c\ud604\ud574\ub77c. \uadf8\ub9ac\uace0 \uc2dc\uac04\uc5d0 \uad00\ud55c \uc704\uce58\uc758 \ud568\uc218\ub97c \ud45c\ud604\ud558\ub77c”<\/p>\n

\uadf8\ub9ac\uace0 \uc774 \uc791\uc5c5\uc744 \ub2f9\uc2e0\uc774 \uc6d0\ud558\ub294 \ubaa8\ub4e0 \uc785\uc790\uc5d0 \ub300\ud574 \uacc4\uc0b0\ud560 \uc218 \uc788\ub2e4\uba74 \ub2f9\uc2e0\uc740 \ubaa8\ub4e0\uac83\uc744 \uc608\uc5b8\ud560 \uc218 \uc788\ub2e4. (\ub0b4\uac00 \uc5ec\uae30\uc11c \uc774\uc57c\uae30\ud558\uace0
\n\uc2f6\uc740 \uac83\uc740 \ubaa8\ub4e0\uac83\uc744 \uc608\uc5b8\ud560 \uc218 \uc788\ub2e4\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uadf8\ub7f0 \uacc4\uc0b0\uc774 \ubd88\uac00\ub2a5\ud558\ub2e4\ub294 \uac83\uc774\ub2e4. \uad1c\ud788 \uc774\uc0c1\ud558\uac8c \ubc1b\uc544\ub4e4\uc5ec\uc11c \ubb3c\ub9ac\ud559 \ub9cc\ub2a5\uc8fc\uc758\uc5d0
\n\ube60\uc9c0\uc9c0 \ub9c8\uc2dc\uae30\ub97c…)<\/p>\n

\uadf8\ub7fc \uc26c\uc6b4 \uac83\ubd80\ud130 \ud574\ubcf4\uc790.<\/p>\n

\ub2f9\uc2e0\uc774 \uac78\uc5b4\uac04\ub2e4. – \ub77c\ub294 \uc0c1\ud669\uc744 \uc0dd\uac01\ud55c\ub2e4.<\/p>\n

\uc77c\uc815\ud55c \uc18d\ub3c4\ub85c \uac78\uc5b4\uac14\ub2e4. 1\ubd84\ub3d9\uc548 \uac78\uc5b4\uac14\ub354\ub2c8 60\ubbf8\ud130\ub97c \uac14\ub2e4. \uadf8\ub807\ub2e4\uba74 \ub2f9\uc2e0\uc740 1\ucd08\uc5d0 1\ubbf8\ud130\uc529 \uac04 \uac83\uc774\ub2e4. \uc77c\uc815\ud55c \ubc29\ud5a5\uc73c\ub85c \ube60\ub974\uc9c0\ub3c4, \ub290\ub9ac\uc9c0\ub3c4 \uc54a\uac8c \uac78\uc5b4\uac14\ub2e4\uba74 \ub2f9\uc2e0\uc758 \uc18d\ub825\uc740 “\ucd08\uc18d 1\ubbf8\ud130”\ub77c\uace0 \ub9d0\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\uc774\uc81c “\ucd08\uc18d 1\ubbf8\ud130”\ub77c\ub294 \ub9d0\uc744 \ud568\uc218\ub85c \ud45c\ud604\ud558\uae30 \uc704\ud574\uc11c “1\ucc28 \ud568\uc218”\ub77c\ub294 \uac83\uc744 \uc54c\uc544\ubcf4\uc790.<\/p>\n

\ub2f9\uc2e0\uc774 1\ubd84\ub3d9\uc548 60\ubbf8\ud130\ub97c \uac14\ub2e4\ub294 \uc0ac\uc2e4\uc740 \uc774\ubbf8 \uc54c\uace0 \uc788\ub2e4. \ub2f9\uc2e0\uc758 \uc18d\ub825\uc774 \ucd08\uc18d 1\ubbf8\ud130\ub77c\ub294 \uc0ac\uc2e4\ub3c4 \uc54c\uace0 \uc788\ub2e4.
\n
\n \uadf8\ub807\ub2e4\uba74 1\uc2dc\uac04, 2\ubd84, 10\ubd84 \ub4f1\ub4f1 \uc784\uc758\uc758 \uc2dc\uac04\uc5d0 \uc5b4\ub514\uc5d0 \uc788\ub294\uc9c0 \uc5b4\ub5bb\uac8c \uc54c \uc218 \uc788\uc744\uae4c?<\/p>\n

\uac00\uc7a5 \uc26c\uc6b4 \ubc29\ubc95\uc774 \uc18d\ub825\uc5d0 \uc2dc\uac04\uc744 \uacf1\ud558\ub294 \ubc29\ubc95\uc774\ub2e4.
\n
\n \uc2dc\uac04\uc744 t \ub77c\uace0 \uc4f0\uace0 \uc18d\ub825\uc744 v \ub77c\uace0 \uc801\ub294\ub2e4\uba74 \ub2f9\uc2e0\uc758 \uc704\uce58 x \ub294<\/p>\n

x = v * t<\/p>\n

\uc774\ub7f0\uc2dd\uc73c\ub85c \uc801\uc5b4\ub450\uba74, \uc18d\ub825\uc740 \uc815\ud574\uc838 \uc788\uc73c\ubbc0\ub85c \uc2dc\uac04\ub9cc \uc54c\uac8c \ub418\uba74 \uc704\uce58\ub294 \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc608\uc0c1\ud560 \uc218 \uc788\uac8c \ub41c\ub2e4. (\uadf8\ub9ac\uace0 \uacbd\ud5d8\uc801\uc73c\ub85c, \uadf8 \uc2dc\uac04\uc5d0 \uc2e4\uc81c\ub85c \uadf8 \uc704\uce58\uc5d0 \uc788\ub2e4\ub294 \uac83\ub3c4 \uc54c \uc218 \uc788\ub2e4)<\/p>\n

\uadf8\ub7f0\ub370 \ubb3c\uccb4\ub294 \ud56d\uc0c1 \uc77c\uc815\ud55c \uc18d\ub3c4\ub85c \uc6c0\uc9c1\uc774\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4. \uc5b4\ub5a4 \ub54c\ub294 \uc704\uc5d0\uc11c \uc544\ub798\ub85c \ub5a8\uc5b4\uc9c0\uae30\ub3c4 \ud558\uace0 \ubc29\ud5a5\uc744 \ubc14\uafb8\uae30\ub3c4 \ud55c\ub2e4. \uc774\ub7f0 \uac83\ub4e4\uc744 \uc5b4\ub5bb\uac8c \ud45c\ud604\ud560\uae4c?<\/p>\n

\uc704\uc5d0\uc0ac \ub9d0\ud588\ub2e4\uc2dc\ud53c, “\uc18d\ub3c4\ub97c \uc2dc\uac04\uc758 \ud568\uc218\ub85c \ud45c\ud604\ud558\uba74” \ub41c\ub2e4.
\n
\n \ud568\uc218\uc5d0 \uad00\ud55c \uc124\uba85\uc740 \ub2e4\uc74c\uc5d0 \ud558\ub3c4\ub85d \ud558\uace0, \uc6b0\uc120\uc740 \uc2dc\uac04\uc744 \ub300\uc785\ud558\uba74 \uc18d\ub3c4\ub97c \uc54c \uc218 \uc788\ub294 \uc218\uc2dd\uc774\ub77c\uace0 \ud574 \ub450\uc790.
\n
\n \uadf8\ub7fc \uc774\ub807\uac8c \uc4f8 \uc218 \uc788\ub2e4.<\/p>\n

\ubb3c\uccb4\uc758 \uc704\uce58\ubca1\ud130\ub97c R\uc774\ub77c\uace0 \ud558\uace0, \ubb3c\uccb4\uc758 \uc18d\ub3c4\ub97c V\ub77c\uace0 \ud558\uba74
\n
\n R(t) = (x(t), y(t), z(t) )
\n
\n \uc57d\uac04 \ubcf5\uc7a1\ud574 \ubcf4\uc774\uc9c0\ub9cc, \uc2dc\uac04\uc5d0 \ub300\ud55c \uc704\uce58\uc758 \ud568\uc218 x(t), y(t), z(t)\ub97c \uc704\uce58\ubca1\ud130\ub85c \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4.<\/p>\n

\uadf8\ub9ac\uace0 \ubb3c\uccb4\uc758 \uc18d\ub3c4\ub294
\n
\n V(t) = (v_x(t), v_y(t), v_z(t) )
\n
\n \ub77c\uace0 \uc4f0\uba74 \ub41c\ub2e4. \ubc11\uc904\uc744 \uae0b\uace0 x, y, z\ub97c \ub098\ud0c0\ub0b8 \uac83\uc740 \uac01\uac01\uc758 \ubc29\ud5a5\uc5d0 \ub530\ub77c \uc18d\ub825\uc774 \ub2e4 \ub2e4\ub97c \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uad6c\ubd84\ud574 \uc900
\n\uac83\uc774\ub2e4. \uc774\ub7f0 \ud45c\ud604\ub4e4\uc774 \uc775\uc219\ud558\uc9c0 \uc54a\ub2e4\uba74 \ubab0\ub77c\ub3c4 \ub41c\ub2e4. \ud558\uc9c0\ub9cc \uc5b4\ub5a4 \uc2dc\uac04\uc5d0 \ub300\ud574 \uc704\uce58\uc5d0 \uad00\ud55c \uc2dd\uc744 \uc801\uc744 \uc218 \uc788\ub2e4\uba74, \uadf8\uac74 \ubb38\uc81c\ub97c
\n\ub2e4 \ud480\uc5c8\ub2e4\ub294 \uc758\ubbf8\uc784\uc744 \uc54c\uc544\ub450\uc5c8\uc73c\uba74 \uc88b\uaca0\ub2e4.<\/p>\n

\uc5ec\uae30\uc11c, \uc704\uce58R\uacfc \uc18d\ub3c4V\ub294 \uc5b4\ub5a4 \ud2b9\uc815\ud55c \uad00\uacc4\ub97c \ub9cc\uc871\uc2dc\ud0a4\ub294\ub370, \ubc14\ub85c “\ubbf8\ubd84”\uc774\ub77c\ub294 \uac83\uc73c\ub85c \uc5f0\uacb0\ub418\uc5b4 \uc788\ub2e4. \uc218\ud559\uc801\uc73c\ub85c \uc598\uae30\ud558\uba74 “\uc18d\ub3c4\ub294 \uc704\uce58\uc758 1\ucc28 \ubbf8\ubd84\uc774\ub2e4”
\n
\n \ubbf8\ubd84\uc5d0 \uad00\ud55c \uac83 \uc5ed\uc2dc \ud568\uc218\uc5d0 \uad00\ud55c \uc124\uba85\uc5d0\uc11c \uc774\uc57c\uae30\ud560 \uac83\uc774\ub2e4.<\/p>\n

\uc9c0\uae08\uc740 \ub2e8\uc9c0 \uc18d\ub3c4\ub098 \uc704\uce58 \ub458 \uc911 \ud558\ub098\ub97c \uc54c \uc218 \uc788\ub2e4\uba74 \ub2e4\ub978 \ud558\ub098 \uc5ed\uc2dc \uc54c \uc218 \uc788\ub2e4\ub294 \uac83\ub9cc \uc54c\uba74 \ub41c\ub2e4.<\/p>\n

\uc704\uc5d0 \uc801\uc740 \uc124\uba85\ub4e4\uc774 \ub108\ubb34 \uc5b4\ub824\uc6cc\uc11c \uc774\ud574\uac00 \uc798 \uac00\uc9c0 \uc54a\uc744 \uc218\ub3c4 \uc788\ub2e4. \uc0ac\uc2e4 \uc911\uc694\ud55c\uac74 \uc774\uac83 \ubfd0\uc774\ub2e4.
\n
\n \uc704\uce58\ub97c \uc218\ud559\uc801\uc73c\ub85c \ud45c\ud604\ud558\ub294 \ubc29\ubc95\uc740 \uc704\uce58\ubca1\ud130\ub97c \uc774\uc6a9\ud558\uc5ec \ub098\ud0c0\ub0b4\ub294 \uac83\uc774\uace0, \uc774\uac83\uc744 \uc774\uc6a9\ud558\uc5ec \uc2dc\uac04\uc5d0 \ub300\ud55c \uc704\uce58\uc640 \uc18d\ub3c4\uc758 \ud568\uc218\ub97c
\n“\uacc4\uc0b0”\ud560 \uc218 \uc788\uace0, \uadf8\uac83\uc740 “\uc815\ub9d0\ub85c” \uc2e4\uc81c \uc704\uce58\uc5d0 \ub300\uc751\ub41c\ub2e4\ub294 \uc0ac\uc2e4\uc774\ub2e4. \uadf8\uac83\uc774 \uc6b0\ub9ac\uac00 \ubb3c\ub9ac\ud559\uc744 \ubbff\uc744 \uc218 \uc788\ub294 \uc774\uc720\uc774\ub2e4.<\/p>\n

*”\uc815\ub9d0\ub85c” \uc2e4\uc81c \uc704\uce58\uc5d0 \ub300\uc751\ub418\ub294 \uac83\uc740 \uc218\ub9ce\uc740 \uc2e4\ud5d8\uc5d0 \uc758\ud574 \ubc1d\ud600\uc84c\ub2e4. \ub274\ud134\uc774 \uc774\uac83\uc744 \ud655\ub9bd\ud588\ub294\ub370, \uc5b4\ub5a4 \ubb3c\uccb4\uac00 \uc6c0\uc9c1\uc774\ub294 \uac83\uc744
\n\ub274\ud134\uc774 \uc81c\uc2dc\ud55c \ubc29\ubc95\ub300\ub85c \uacc4\uc0b0\ud588\uc744 \ub54c, \uc2e4\uc81c\ub85c \uc774 \ubb3c\uccb4\uc758 \uc6c0\uc9c1\uc784\uc774 \uce21\uc815 \uc624\ucc28 \ubc94\uc704 \ub0b4\uc5d0 \uc815\ud655\ud788 \ub9de\uc544\ub5a8\uc5b4\uc9c4\ub2e4\ub294 \uac83\uc774\ub2e4.
\n
\n 2003. 11. 6
\n <\/span><\/p>\n

\n
\n
\n\"\uc2e0\uace0\"
\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

* 2006\ub144 11\uc6d4 6\uc77c\uc5d0 \uc4f4 \uae00\uc744 \ubcf5\uc0ac\ud574\uc628 \uac81\ub2c8\ub2e4. \uc5ec\uae30\uc11c \uc6b0\ub9ac\ub294 “\uc785\uc790\ub294 \uc5b4\ub514\uc5d0 \uc788\ub294\uac00?”\ub77c\ub294 \uc9c8\ubb38\uc5d0 \ub300\ub2f5\ud558\uae30 \uc704\ud574 \ub610 \uae30\ub098\uae34 \uc124\uba85 \ud558\ub098\ub97c \uac70\uccd0\uc57c \ud55c\ub2e4. \ub2f9\uc2e0\uc774 “\uc88c\ud45c\uacc4”\uc5d0 \ub300\ud574 \uc798 \uc54c\uace0 \uc788\ub2e4\uba74 \uc774 \ubd80\ubd84\uc744 \uac74\ub108 \ub6f0\uc5b4\ub3c4 \uc0c1\uad00 \uc5c6\uc744 \uac83\uc774\ub2e4. \uc0ac\uc2e4 \ubab0\ub77c\ub3c4 \ub41c\ub2e4 -_-; \uadf8\ub807\uc9c0\ub9cc \uc124\uba85\ud558\uace0 \ub118\uc5b4\uac00\uaca0\ub2e4. \uc785\uc790\uac00 \ubb34\uc5c7\uc778\uc9c0\ub294 \uc798 \ubab0\ub77c\ub3c4 \ub41c\ub2e4. \ub098\ub294 \uadf8\ub0e5 ‘\uc785\uc790’\ub77c\uace0 \uc774\ub984 \ubd99\uc5ec\uc9c4 \ubb34\uc5b8\uac00\uc5d0 \uad00\ud558\uc5ec \uc774\uc57c\uae30 […]<\/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-7353","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-1UB","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/7353","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=7353"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/7353\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7353"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}