»´ä¤T°ê§Ó · ª©³W | »¡©ú ·j´M ·|û Án±æ ¤é¾ä ²Îp |
Åwªï³X«È ( µn¤J | µù¥U ) | «±H»{ÃÒ¹q¤l¶l¥ó |
ªüåÈ |
µoªí©ó¡G Jul 12 2007, 14:49 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
¥H¤U¹Ï¥i¨£, ¦pªG¦b¤@Ó¥±®y¼Ð¤Wµe¤W«Ü¦h±øª½½u, ¥L̪º³Ì¥~½t·|§Î¦¨¤@±ø¦±½u, ³o¨Çª½½u¬O¥H t1 ©M t2 ¨M©w, x-intercept ¬Ot1 ¦Ó y-intercept¬Ot2. t1 + t2 = T (¬YÓ±`¼Æ),
(²³æ¨Ó»¡, ¨Ò¦p¾î1³s¨ìª½9, 2-8, 3-7, 4-6 ,5-5, 6-4, .....) ¨º»ò: ( a ) ½Ð Sketch ¥X³o±ø¦±½u (µe¥X¥¦ªº¤jP§Îª¬, ¼Ð¥X¥¦ªº¯S¼x, ¯S§OªºÂI) ( b ) ¦pªGt1 ©M t2 ¥i¥H³s¨ìt¼Æ, ½Ð Sketch ¥X³o±ø¦±½u ( c )³o±ø¦±½uªºEQUATION ¬O¬Æ»ò? (¥Hx, y, T ªí¥Ü) ( d ) ³o¬O±ø«ç¼Ëªº¦±½u (¨Ò¦p: ¶ê§Î, ¾ò¶ê§Î, Âù¦±½u, ©ßª«½u, polynomial, exponential,......) ( e ) ³o±ø¦±½u¦³¨º¨Ç¯S¼x? (¨Ò¦p: ¦pªG¬O¶ê§Î, ¶ê¤ß¦bþ¸Ì¡B¥b®|¬O¦h¤Ö, ¦pªG¬OÂù¦±½u¡B¾ò¶ê§Î, µJÂI¦bþ¸Ì......) ¥»½g¤å³¹¤w³Q ªüåÈ ©ó Jul 12 2007, 14:50 ½s¿è¹L ªþ±a¹Ï¤ù -------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
~~~~¤p¯T~~~~ |
µoªí©ó¡G Jul 13 2007, 03:01 ¡@
|
User Access Denied µoªí¼Æ¡G 666 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 7-21-2005 ¬¡ÅD¡G2 Án±æ¡G12 |
¦³±ø½u¹º¿ù¤F
¼Æ¾Ç¯à¤O®zªº¹L¸ô¤H¤W -------------------- µoı¦Û¤v°t¤£°_¤p¯T³oÓ±b¸¹
¶}¤F~¸ô¤H~ :D ¥H«á´N¥Î³oÓ°Õ~ |
ªü¿f |
µoªí©ó¡G Jul 13 2007, 05:36 ¡@
|
¤K«~©x µoªí¼Æ¡G 203 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 2-06-2007 ¬¡ÅD¡G1 Án±æ¡G51 |
¦n²´¤O§r......
-------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
½Ñ¸¯·t |
µoªí©ó¡G Jul 13 2007, 10:50 ¡@
|
¬Bªi¥J µoªí¼Æ¡G 279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 1-19-2007 ¬¡ÅD¡G1 Án±æ¡G14 |
¨ºùØ¿ù¤F¡I«ç麽§Ú¬Ý¤£¥X
-------------------- |
ªüåÈ |
µoªí©ó¡G Jul 13 2007, 12:55 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
³o¦¸À³¸Ó¨S¿ù§a....
-------------------------------------------------------------------------------- ´Nºâ¤£¯àºâ¥X¨Ó, ²q²q¤]¥i¥Hªº. ©ÎªÌ½Í½Í¦Û¤v·Q¨ì¨Ç¬Æ»ò¤]¥i¥H ªþ±a¹Ï¤ù -------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
~~~~¤p¯T~~~~ |
µoªí©ó¡G Jul 13 2007, 15:16 ¡@
|
||
User Access Denied µoªí¼Æ¡G 666 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 7-21-2005 ¬¡ÅD¡G2 Án±æ¡G12 |
-------------------- µoı¦Û¤v°t¤£°_¤p¯T³oÓ±b¸¹
¶}¤F~¸ô¤H~ :D ¥H«á´N¥Î³oÓ°Õ~ |
||
ªüåÈ |
µoªí©ó¡G Jul 14 2007, 03:08 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
§Ú°O±o¤p¾Ç®É¤]°µ¹L³o¨Ç, ¤£¹L·í®É¦Ñ®vn§Ú̥ΰw½u¦b¯ÈªO¤W¬ï....
(¤W±¬O¥Î¬Æ»òµeªº?) ¥»½g¤å³¹¤w³Q ªüåÈ ©ó Jul 14 2007, 03:09 ½s¿è¹L -------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
~~~~¤p¯T~~~~ |
µoªí©ó¡G Jul 14 2007, 07:05 ¡@
|
User Access Denied µoªí¼Æ¡G 666 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 7-21-2005 ¬¡ÅD¡G2 Án±æ¡G12 |
¤pµe®a.......
-------------------- µoı¦Û¤v°t¤£°_¤p¯T³oÓ±b¸¹
¶}¤F~¸ô¤H~ :D ¥H«á´N¥Î³oÓ°Õ~ |
ªüåÈ |
µoªí©ó¡G Jul 14 2007, 08:24 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
¨º¨Ç¦Ç¦â©³½u¬O§A³v±øµeªº ?!
-------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
ªüåÈ |
µoªí©ó¡G Jul 14 2007, 08:39 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
-------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
~~~~¤p¯T~~~~ |
µoªí©ó¡G Jul 14 2007, 15:01 ¡@
|
User Access Denied µoªí¼Æ¡G 666 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 7-21-2005 ¬¡ÅD¡G2 Án±æ¡G12 |
¦Ç½u¥ÎMS Excel¾ã
-------------------- µoı¦Û¤v°t¤£°_¤p¯T³oÓ±b¸¹
¶}¤F~¸ô¤H~ :D ¥H«á´N¥Î³oÓ°Õ~ |
ªüåÈ |
µoªí©ó¡G Jul 14 2007, 16:48 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
¤j®a»{¬°³o¬O±ø¬Æ»ò¦±½u©O?
¦±½uªºEQUATION ¤S·|¬O¬Æ»ò? -------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
½Ñ¸¯¿ª |
µoªí©ó¡G Jul 17 2007, 15:52 ¡@
|
¤«~©x µoªí¼Æ¡G 709 ©ÒÄݸs²Õ¡G ¤Ó¦u µù¥U¤é´Á¡G 10-28-2003 ¬¡ÅD¡G8 Án±æ¡G893 |
§Ú¬Ý³o±ø¦±½u¡]ªüåÈ©Òµeªº¡^ºâ¬O¤@Ó¶ê§Îªº1/4§a¡C°O±o¤p¾Çªº±Ð¬ì®ÑºÙ¦¹¬°Â¸¦±½u¡C
¥Î¶ê§Î®y¼Ð¤½¦¡¡A³o±ø¦±½uªº¦¡À³¬O¡G(x-T)^2 + (y-T)^2 = T^2 [0¡Øx,y¡ØT] §Ú¼Æ¾Ç¤£¦n¡A§Æ±æÃѪ̫ü±Ð¡C ¥»½g¤å³¹¤w³Q ½Ñ¸¯¿ª ©ó Jul 17 2007, 15:57 ½s¿è¹L |
ªüåÈ |
µoªí©ó¡G Jul 17 2007, 16:50 ¡@
|
||
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
»¡°_§Ú´N°O°_¤F, ³o¦±½u¦³Ó¦Wµü¥s¸¦±½u. ¤HÌ¥iºÙ¥¦¬°¡u¸¦±½u¡v¦Ó«D¶ê§Î§r (ÁöµM¸¦±½u¨Ã¤£¬O³oºØ¦±½u¦b¼Æ¾Ç¯S½è¤Wªº¦WºÙ) ¥t¥~, ¦bGOOGLE search "¸¦±½u" ¨Ã¥¼§ä¨ìµª®×, ¥u¬O§ä¨ì¤@¹ï¤p¾Ç³Ò§@ XD ¤£¹Lµ½©ó·j´Mªº¤H©Î³\¯à°÷·j¨ìµª®× ¥»½g¤å³¹¤w³Q ªüåÈ ©ó Jul 17 2007, 16:54 ½s¿è¹L -------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
||
ªüåÈ |
µoªí©ó¡G Jul 17 2007, 17:10 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
³o´T¹Ï¤W¥i¨£³o¤£¬O¤@Ó1/4¶ê...
¤j®a¥i¥H¸Õ¸Õ§â¦±½uÄ~Äò³s¨ì x, y intercept ¶i¤Jt¼Æ, ¬Ý¬Ý¬O¬Æ»ò§Îª¬ ¥»½g¤å³¹¤w³Q ªüåÈ ©ó Jul 17 2007, 17:10 ½s¿è¹L ªþ±a¹Ï¤ù -------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
ªüåÈ |
µoªí©ó¡G Jul 24 2007, 17:11 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
-------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
ªüåÈ |
µoªí©ó¡G Jul 28 2007, 17:05 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
¤èªk1:
©Ò¦³ª½½u¥i¥H³o¼Ëªí¥Ü: x / t1 + y / (T-t1) = 1 T ¬O±`¼Æ, ¨C¤@Ót1 ªº¼ÆÈ¥Nªí¤@±øª½½u. rearranging terms: ¨âÃä¼(T-t1)t1: (T-t1)x + t1 y = T t1 - t1^2 t1^2 + (y - x - T) t1 + Tx = 0 for t1 is real number, delta >=0 (y - x - T)^2 - 4Tx >=0 (x - y)^2 - 2T(y-x) - 4Tx + T^2 >= 0 (x - y)^2 - 2T(x + y) + T^2 >= 0 ©Ò¥H, ³o¨Çª½½uªº·¥´N¦b (x - y)^2 - 2T(x + y) + T^2 = 0 ³o±ø¦±½u¤W -------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |
ªüåÈ |
µoªí©ó¡G Jul 28 2007, 17:17 ¡@
|
¤@«~©x µoªí¼Æ¡G 5,279 ©ÒÄݸs²Õ¡G ¤@¯ë µù¥U¤é´Á¡G 8-17-2004 ¬¡ÅD¡G37 Án±æ¡G1208 |
¦Ó³o±ø¦±½u¬O¤@±ø ------ ©ßª«½u
§A¥i¥H¥Î (cos -sin sin cos) ¨Ó§â¦±½u§á45«×¨ÓÅçÃÒ, ©ÎªÌª½±µ§ä¤@±øµJÂI¦b(a,a), µJ±¦b x + y =0 ªº ©ßª«½u, µM«á put a = T/2 ©ßª«½u¤Wªº¥ô¦ó¤@ÂI, ¥L¸òµJÂI©MµJ±ªº¶ZÂ÷¬O¬Û¦Pªº. ( x - a )^2 + (y-a)^2 = [(x + y)/sqrt(2) ] ^2 x^2 + y^2 -2ax - 2ay + 2a^2 = 1/2 x^2 + 1/2 y^2 + xy 1/2 x^2 + 1/2 y^2 - 2ax - 2ay - xy + 2a^2 = 0 x^2 + y^2 - 4ax - 4ay - 2xy + 4a^2 = 0 (x - y)^2 - 2 (2a)(x + y) + (2a)^2 = 0 ©Ò¥H, «ezªº©ßª«½u, ¥¿¬O T = 2a ¥»½g¤å³¹¤w³Q ªüåÈ ©ó Jul 29 2007, 03:51 ½s¿è¹L ªþ±a¹Ï¤ù -------------------- ·t²H¤F¤M¥ú¼C¼v¡A»·¥h¤F¹ª¨¤¿þ»ï
²´«e¸´µÛ¤@ÓÓÂA¬¡ªº±®e ´ó¨S¤F¶À¹Ð¥j¹D¡A¯î¿¾¤F²l¤õÃä«° ·³¤ë°Ú¡I§A±a¤£¨«¨º¤@¦ê¦ê¼ô±xªº©m¦W ¿³¤`½Ö¤H©w°Ú¡I²±°I°ZµL¾Ì°Ú¡I ¤@¶·¶³´²°Ú...ÅܤۤF®ÉªÅ »E´²¬Ò¬O½t°Ú¡IÂ÷¦XÁ`Ãö±¡°Ú¡I ¾á·í¥Í«e¨Æ°Ú...¦óp¨«áµû¡H ªø¦¿¦³·N¤Æ§@²\¡Aªø¦¿¦³±¡°_ºqÁn ¾ú¥vªº¤ÑªÅ¡A°{Ã{´XÁû¬P ¤H¶¡¤@ªÑ^¶¯®ð... ¦b¹£ÁþÁa¾î... |