| ²é¿´: 629 | »Ø¸´: 7 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
| ¡¾ÐüÉͽð±Ò¡¿»Ø´ð±¾ÌûÎÊÌ⣬×÷Õßlyb0206½«ÔùËÍÄú 7 ¸ö½ð±Ò | |||
lyb0206ľ³æ (ÕýʽдÊÖ)
´ó³æ
|
[ÇóÖú]
Çó΢·Ö·½³ÌµÄ½â
|
||
|
y''+ay'=bcos(wx) *y^(1/2) a,b Ϊ³£Êý.Çó΢·Ö·½³ÌµÄ½â. |
» ²ÂÄãϲ»¶
¿¼Ñе÷¼Á
ÒѾÓÐ3È˻ظ´
289Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
²ÄÁÏ292µ÷¼Á
ÒѾÓÐ12È˻ظ´
»¯Ñ§µ÷¼Á
ÒѾÓÐ4È˻ظ´
292Çóµ÷¼Á
ÒѾÓÐ14È˻ظ´
322Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
26É격
ÒѾÓÐ3È˻ظ´
307Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
283Çóµ÷¼Á£¨080500£©
ÒѾÓÐ4È˻ظ´
287Çóµ÷¼Á
ÒѾÓÐ10È˻ظ´
2Â¥2007-12-21 20:52:37
Danielxu
½ð³æ (ÕýʽдÊÖ)
- Ó¦Öú: 5 (Ó×¶ùÔ°)
- ½ð±Ò: 440.7
- É¢½ð: 42
- ºì»¨: 2
- Ìû×Ó: 694
- ÔÚÏß: 697.7Сʱ
- ³æºÅ: 438082
- ×¢²á: 2007-09-14
- רҵ: Á£×ÓÎïÀíѧºÍ³¡ÂÛ
3Â¥2007-12-21 20:58:42
lyb0206
ľ³æ (ÕýʽдÊÖ)
´ó³æ
- Ó¦Öú: 4 (Ó×¶ùÔ°)
- ½ð±Ò: 3332.9
- É¢½ð: 397
- ºì»¨: 1
- Ìû×Ó: 944
- ÔÚÏß: 744.6Сʱ
- ³æºÅ: 242144
- ×¢²á: 2006-04-11
- ÐÔ±ð: GG
- רҵ: »ù´¡ÎïÀíѧ
4Â¥2007-12-22 15:53:41
syg549
гæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 35.5
- Ìû×Ó: 4
- ÔÚÏß:
- ³æºÅ: 481499
- ×¢²á: 2007-12-18
- רҵ: µçÆø¹¤³Ì
¡ï
lyb0206(½ð±Ò+1,VIP+0):Õâ¸ö¿ÉÒԲο¼.µ«
lyb0206(½ð±Ò+1,VIP+0):Õâ¸ö¿ÉÒԲο¼.µ«
|
ÎÒÓÃMatlabÇó½âµÄ£¬Ã»ÓнâÎö½â£¬³ÌÐòºÍ½á¹ûÈçÏ£º clear all close all syms a b w x y=dsolve('D2y+a*Dy=b*cos(w*x)*y^(1/2)','x') warning: Explicit solution could not be found. |
5Â¥2007-12-22 17:15:21
syg549
гæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 35.5
- Ìû×Ó: 4
- ÔÚÏß:
- ³æºÅ: 481499
- ×¢²á: 2007-12-18
- רҵ: µçÆø¹¤³Ì
¡ï
lyb0206(½ð±Ò+1,VIP+0):ÖªµÀѽ.°ïæ½âѽ.Êdz£Êý
lyb0206(½ð±Ò+1,VIP+0):ÖªµÀѽ.°ïæ½âѽ.Êdz£Êý
| Èç¹ûa,b,wµÄÖµÖªµÀµÄ»°¿ÉÒÔÓÃÊýÖµ·½·¨Çó½â |
6Â¥2007-12-22 17:16:38
nucleus01
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
Сľ³æ±±Í¥½Ú¶Èʹ
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ¹ó±ö: 0.11
- ½ð±Ò: 15488.1
- ºì»¨: 1
- Ìû×Ó: 2930
- ÔÚÏß: 108.4Сʱ
- ³æºÅ: 165700
- ×¢²á: 2006-01-13
- ÐÔ±ð: GG
- רҵ: ÎïÀí

7Â¥2007-12-22 17:26:10
quzh909
Òø³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 491
- Ìû×Ó: 40
- ÔÚÏß: 6.7Сʱ
- ³æºÅ: 439910
- ×¢²á: 2007-10-26
- ÐÔ±ð: GG
8Â¥2007-12-22 18:16:16














»Ø¸´´ËÂ¥
