±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1043  |  »Ø¸´: 14
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

yuandian

½ð³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿Çë°ïæ½â´ðÒ»¸öСÎÊÌ⣺΢·Ö·½³ÌµÄ½â

΢·Ö·½³Ì
y"+ay'+by+cy2+d=0

ÆäÖÐyÊǹØÓÚxµÄº¯Êý£¬y"¡¢y'·Ö±ðÊǶÔyµÄ¶þ´Î¡¢Ò»´ÎÇóµ¼£¬y2Ö»yµÄ¶þ´Î·½£¨²»ÖªµÀÔõô¼ÓÉϱ꣩£¬a£¬b£¬c£¬dÊDz»º¬xµÄ³£Á¿£¬ÇëÎʿɲ»¿ÉÒÔ½âÄØ£¿

Èç¹û¿ÉÒԵϰ£¬Ôõô½âÄØ£¿

µ±Ê±Î¢·ÖѧµÄ¶¼ÍüÁË£¬Ò»Ê±²éÆðÀ´Ò²Ã»ÓÐÍ·Ð÷£¬ÆÚ´ýÈÈÐÄ³æ³æµÄ½â´ð~~~

[ Last edited by javeey on 2010-3-22 at 08:46 ]
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

¿ñ·ç1981

ľ³æ (ÖøÃûдÊÖ)

åÐÒ£Á÷

¡ï
Сľ³æ(½ð±Ò+0.5):¹§Ï²ÇÀɳ·¢£¬¸ø¸öºì°ü
yuandian(½ð±Ò+1):ºÙºÙ£¬ºÃ´¦Àí¾Í²»ÔÚÕâ¶ùÇóÖúÁË 2010-02-02 06:25
·ÇÏßÐԵ쬲»ºÃ´¦Àí°¡
ΪʲôÎÒµÄÑÛÀï×ܱ¥º¬×ÅÀáË®£¬ÄÇÊÇÒòΪÎÒ¶ÔÕâÆ¬ÍÁµØ°®µÃÉî³Á~
2Â¥2010-01-29 09:43:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xinhero

Òø³æ (ÕýʽдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.2):ÇÀÁ˸öС°åµÊ£¬¸ø¸öºì°ü
yuandian(½ð±Ò+1):¶÷~ 2010-03-18 06:08
bluesine(½ð±Ò+1):ͬÒ⣡ 2010-03-18 09:27
Õâ¸öûÓÐÒ»°ãµÄ½â·¨¡£ÈôϵÊý¾ßÓÐÌØÊâÐÔ£¨Èçij¸öΪÁ㣩£¬»òÕ߿ɽ⡣¡£
3Â¥2010-01-29 11:02:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fanwoduzun

Í­³æ (³õÈëÎÄ̳)

bluesine:ÈÊÐÖ½â¸øÎÒÃÇ¿´¿´¡£Ìì²Å¾ªÏÖÁË£¡ 2010-03-18 09:27
ºÜºÃ½â°¡£¡ÄÇÊǶþ½×·ÇÆë´ÎÏßÐÔ΢·Ö·½³Ì a b c d Ϊ³£Á¿  ½âËüÊÇÓÃÌØÕ÷·½³Ì½â¾ÍŶÁË£¬¾ßÌ幫ʽÄãÈ¥²é¸ßµÈÊýѧϲáµÄ΢·Ö·½³ÌÄÇÒ»Õ£¬ÓÉÓÚµçÄÔÀïûÓзûºÅ£¬ÎÒÔÚÕâÀïÖ»¸øÄãÒ»¸öÌáʾ£¬Íû¼ûÁ£¡£¡£¡
֪ʶ¸Ä±äÃüÔË!
4Â¥2010-01-29 19:30:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fyq98

ľ³æ (ÕýʽдÊÖ)

¡ï
yuandian(½ð±Ò+1):¶àлÀ² 2010-03-18 06:08
bluesine(½ð±Ò+1):˵µÄºÜÖпϣ¬¸Ð¾õÊÇÕâÑùµÄ 2010-03-18 09:27
Ê×ÏÈ,Õâ¸ö·½³ÌÓг£Êý½â,¼´·½³Ìby+cy2+d=0µÄ½â,½«Î¢·Ö·½³ÌµÄ½â±íΪ
z+c,ÔòÔ­·½³Ì¿É»¯Îª²»º¬³£ÊýÏîµÄ·½³Ìz"+az'+bz+cz2=0

Æä´Î£¬¿ÉÒÔ¿¼Âǽ«·½³Ìz"+az'+bz+cz2=0
ÊÇ·ñÓÐÌØ½â£¬²ÉÈ¡Àû¿¨Ìá·½³ÌµÄ´¦Àí·½Ê½

×ÜÖ®£¬²»´óÈÝÒ×£¬³ý·ÇϵÊý½ÏÌØÊâ
¿ËÄѷܽø
5Â¥2010-01-29 20:45:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÄäÃû

Óû§×¢Ïú (ÕýʽдÊÖ)

yuandian(½ð±Ò+1):¶àл¹þ 2010-03-18 06:08
±¾Ìû½öÂ¥Ö÷¿É¼û
6Â¥2010-01-30 21:02:31
ÒÑÔÄ   ÉêÇëÊýѧEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³

yinzhiminghao

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

bluesine:ºÇºÇ£¬Ï£Íû˼¿¼Ö®ºóÓв¿·ÖÏë·¨ 2010-03-18 09:28
˼¿¼Ë¼¿¼
ÈËÉúµÃÒâÐ뾡»¶£¬ÄªÊ¹½ðé׿նÔÔ¡£
7Â¥2010-01-30 21:40:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

scuxchen

½ð³æ (ÖøÃûдÊÖ)

¡ï ¡ï ¡ï ¡ï
Doctorcbw(½ð±Ò+1):лл²ÎÓë 2010-02-03 19:06
yuandian(½ð±Ò+1):¶àл~רҵ 2010-03-18 06:07
bluesine(½ð±Ò+3):ÓÐÐËȤ×öÊýѧ°àר¼Òô£¿ºÇºÇ 2010-03-18 09:25
ÒýÓûØÌû:
Originally posted by yuandian at 2010-01-28 23:20:03:
΢·Ö·½³Ì
y"+ay'+by+cy2+d=0

ÆäÖÐyÊǹØÓÚxµÄº¯Êý£¬y"¡¢y'·Ö±ðÊǶÔyµÄ¶þ´Î¡¢Ò»´ÎÇóµ¼£¬y2Ö»yµÄ¶þ´Î·½£¨²»ÖªµÀÔõô¼ÓÉϱ꣩£¬a£¬b£¬c£¬dÊDz»º¬xµÄ³£Á¿£¬ÇëÎʿɲ»¿ÉÒÔ½âÄØ£¿

Èç¹û¿ÉÒԵϰ£¬Ôõô½âÄØ ...

´Ë·½³ÌΪ·ÇÏßÐÔ2½×³£Î¢·Ö·½³Ì¡£ÊÇûÓÐÒ»°ãÇó½â¹«Ê½µÄ¡£Ò»°ã˼·¾ÍÊǽµ½×Éýά£¬±ä³É¶þάһ½×΢·Öϵͳ¡£¸øÂ¥Ö÷ÍÆ¼öJ.K. HaleµÄ¡¶Ordinary Differential Equations¡·,Èç¹û´ËÊé²»ÄܰïÄã½â¾ö£¬ÄÇ»ù±¾ÉÏÆÕÌì֮϶¼ÎÞÈËÄܽ⡣
È­´ò½ÅÌß
8Â¥2010-02-02 16:27:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fyq98

ľ³æ (ÕýʽдÊÖ)

¡ï
bluesine(½ð±Ò+1):·ÇÏßÐԵģ¬Ê²Ã´·½·¨¶¼Ê§Áé¡£²»ÐÅÄãÊÔÊÔ£¬ºÇºÇ 2010-03-18 09:26
ÏëÁ˼¸Ìì
ÔٴλشðÕâ¸öÎÊÌ⣺
Õâ¸öÎÊÌâ¿ÉÒÔ²ÉÈ¡Ãݼ¶ÊýÇó½â·¨£¡
ÉèÆä½âΪһ¸öÃݼ¶Êý£¬´øÈë·½³Ì£¬È»ºó±È½Ï·½³ÌÁ½¶Ëͬ´ÎÃݵÄϵÊý£¬½«»áµÃµ½
¹ØÓÚϵÊýµÄÒ»×é´úÊý·½³Ì£¬´ÓÕâЩ·½³ÌÖнâ³öϵÊý¼´¿É£¡
¿ËÄѷܽø
9Â¥2010-03-18 09:19:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fyq98

ľ³æ (ÕýʽдÊÖ)

bluesine:Å¼Ôø¾­ÊÔ¹ý£¬¸ã²»¶¨¡£ÏÖÔÚ¿´×ž͡£¡£¡£ 2010-03-18 09:26
y2ÕâÒ»ÏȻҲ»¹ÊÇÒ»¸öÃݼ¶Êý£¬¼´Á½¸öÃݼ¶ÊýµÄ³Ë»ý
¿ËÄѷܽø
10Â¥2010-03-18 09:21:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ yuandian µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 288Çóµ÷¼Á Ò»Ö¾Ô¸¹þ¹¤´ó ²ÄÁÏÓ뻯¹¤ +28 ÂåÉñ¸ç¸ç 2026-03-31 28/1400 2026-04-01 22:51 by peike
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +14 Ò»ÑùYWY 2026-04-01 14/700 2026-04-01 21:07 by lijunpoly
[¿¼ÑÐ] 265Çóµ÷¼Á +11 yelck 2026-04-01 12/600 2026-04-01 19:12 by 549790059
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì339Çóµ÷¼Á +11 hyz0119 2026-03-31 12/600 2026-04-01 18:40 by ΰ´óºÓ±±
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤£¨0856£©304ÇóBÇøµ÷¼Á +8 Çñgl 2026-03-30 16/800 2026-04-01 17:58 by Çñgl
[¿¼ÑÐ] ×Ü·Ö343£¬ÇóÉúÎïѧµ÷¼Á +6 Éî¿ÌµÄ¿­Èö 2026-03-26 6/300 2026-04-01 15:58 by 2007huanle
[¿¼ÑÐ] Ó¢Ò»Êý¶þÉúÎïÐÅϢѧ287·Ö£¬±¾¿ÆÉúÎï¿ÆÑ§£¬Çóµ÷¼Á +3 ±ÌË®xyz 2026-03-29 4/200 2026-04-01 15:35 by plum
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +10 Eujd1 2026-03-31 11/550 2026-04-01 11:23 by ivanqyq
[¿¼ÑÐ] 322Çóµ÷¼Á +8 ÈýË®sss 2026-04-01 8/400 2026-04-01 10:19 by ÌÆãå¶ù
[¿¼ÑÐ] Çóµ÷¼Á£º085600²ÄÁÏÓ뻯¹¤£¬¿¼²Ä¿Æ»ù£¬×Ü·Ö319 +17 678lucky 2026-03-31 21/1050 2026-04-01 01:40 by 1018329917
[¿¼²©] 26É격 +4 ¼ÓÓͳ尡£¡ 2026-03-26 4/200 2026-03-31 22:42 by greychen00
[¿¼ÑÐ] 22408 359·Öµ÷¼Á +4 Qshers 2026-03-27 8/400 2026-03-31 08:53 by Qshers
[¿¼ÑÐ] ±¾¿Æ211×Ü·Ö289£¬08¹¤Ñ§ÕæÐÄÇóµ÷¼Á +3 utopiaE 2026-03-30 3/150 2026-03-30 23:42 by ms629
[¿¼ÑÐ] 284Çóµ÷¼Á +14 junqihahaha 2026-03-26 15/750 2026-03-30 14:12 by ̽123
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·ÖÇóµ÷¼Á +10 ´ó²öС×Ó 2026-03-28 10/500 2026-03-29 23:35 by ·ÉÐÐÈÕ¼ÇÎ÷
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©º½¿Õº½Ìì´óѧ²ÄÁÏѧ˶Çóµ÷¼Á +3 @taotao 2026-03-28 3/150 2026-03-28 10:26 by JourneyLucky
[¿¼ÑÐ] 315·ÖÇóµ÷¼Á +7 26¿¼ÑÐÉϰ¶°æ26 2026-03-26 7/350 2026-03-28 04:05 by fmesaito
[¿¼ÑÐ] 265Çóµ÷¼Á +8 Сľ³æ085600 2026-03-27 8/400 2026-03-27 22:16 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] µ÷¼Á +3 Àî¼Îͼ¡¤S¡¤Â· 2026-03-27 3/150 2026-03-27 11:19 by wangjy2002
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ÇóÇóÁËÊÕÏÂÎÒ°É£ 2026-03-26 4/200 2026-03-27 10:37 by zhshch
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û