Znn3bq.jpeg
²é¿´: 1114  |  »Ø¸´: 6

bfpan

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] ÇóÖú΢·Ö·½³Ìͨ½â

Çóx''=tgx (-1+x')µÄͨ½â£¬Çë½ÌÍÆµ¼¹ý³Ì
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wraiment

½û³æ (³õÈëÎÄ̳)

¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
bfpan: ½ð±Ò+2, ¡ïÓаïÖú 2012-03-23 14:36:53
±¾ÌûÄÚÈݱ»ÆÁ±Î

2Â¥2012-03-22 15:16:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

vect

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÓÒ±ßÕâ¸öÊÇtgxµÄ»°Õâ¸ö·½³ÌÊÇ·ÇÏßÐÔ±äÁ¿·ÖÀëÐÍ£¬µ«ÊÇÈç»Ø¸´2Ò»Ñù£¬Ó¦¸ÃÎÞ·¨ÇóµÃÆäͨ½â,Ô­·½³ÌÊÇ·ñΪx''=(x'-1)tant,ÆäÖÐtΪ×Ô±äÁ¿
3Â¥2012-03-23 18:36:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bfpan

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by vect at 2012-03-23 18:36:56:
ÓÒ±ßÕâ¸öÊÇtgxµÄ»°Õâ¸ö·½³ÌÊÇ·ÇÏßÐÔ±äÁ¿·ÖÀëÐÍ£¬µ«ÊÇÈç»Ø¸´2Ò»Ñù£¬Ó¦¸ÃÎÞ·¨ÇóµÃÆäͨ½â,Ô­·½³ÌÊÇ·ñΪx''=(x'-1)tant,ÆäÖÐtΪ×Ô±äÁ¿

ÊÇ´æÔÚͨ½âµÄ£¬ÒѾ­Óнá¹û£¬µ«²»ÖªµÀÈçºÎÍÆµ¼¡£
4Â¥2012-03-23 20:14:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

vect

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

°Ñͨ½â¸½ÉÏÀ´¿´¿´£¬ÎÒ¾õµÃ¿ÉÄÜÊÇÄãµÄÌâÄ¿ÓÐÎó
5Â¥2012-03-23 21:07:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bfpan

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
5Â¥: Originally posted by vect at 2012-03-23 21:07:16:
°Ñͨ½â¸½ÉÏÀ´¿´¿´£¬ÎÒ¾õµÃ¿ÉÄÜÊÇÄãµÄÌâÄ¿ÓÐÎó

²»ºÃÒâ˼£¬ÊÇʽ×ÓÓеã´íÎó
Ó¦¸ÃÊÇx''=tgx (-1+(x')^2)µÄͨ½â
6Â¥2012-03-24 17:26:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

vect

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
bfpan: ½ð±Ò+18, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, лл 2012-03-25 14:27:38
Éè×Ô±äÁ¿Îªt,·½³Ì¼´x''cosx=-sinx+x'^2*sinx;Áîy=sinx,Ôòy'=cosx*x',y''=cosx*x''-sinx*x'^2¹ÊµÃy''+y=0,´Ó¶øµÃµ½sinx=C1*sint+C2*cost,»òÕßÓ÷´º¯Êýд³ö¡£
7Â¥2012-03-24 23:07:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ muchai2024 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª¹¤085600 331·Ö +5 ÌìÏÂww 2026-04-09 5/250 2026-04-09 16:08 by zhuimr
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí³µÁ¾ 281 Çóµ÷¼Á +5 Éϰ¶Ñо¿Éú. 2026-04-07 5/250 2026-04-09 15:56 by onlyÖÜ
[¿¼ÑÐ] 293Çóµ÷¼Á +3 ÓÂÔ¶¿â°®314 2026-04-08 3/150 2026-04-09 15:51 by wp06
[˶²©¼ÒÔ°] ÓÐûÓÐѧУ²ÄÁÏרҵÊÕ¿çµ÷(Ò»Ö¾Ô¸085410) +5 momo(Éϰ¶°æ) 2026-04-06 8/400 2026-04-09 15:07 by onlyÖÜ
[¿¼ÑÐ] µ÷¼Á +12 ÔÂ@163.com 2026-04-08 12/600 2026-04-09 14:27 by rl1980
[¿¼ÑÐ] 085600£¬321·ÖÇóµ÷¼Á +19 ´ó²öС×Ó 2026-04-04 20/1000 2026-04-09 14:12 by Delta2012
[¿¼ÑÐ] 22408 270·Ö +9 sanjin020722 2026-04-08 10/500 2026-04-09 14:11 by Ê«Óë×ÔÓÉ
[¿¼ÑÐ] »úе¹¤³Ì313·ÖÕÒ¹¤¿Æµ÷¼Á +3 ˫һÁ÷±¾¿Æ»úе 2026-04-08 3/150 2026-04-08 20:41 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ»¯Ñ§Ó뻯¹¤Ñ§Ôº²ÄÁÏÓ뻯¹¤×¨Ë¶£¬360·ÖÇóµ÷¼Á +8 ²»Ô¸Í¸Â¶ÐÕÃûµÄË 2026-04-02 8/400 2026-04-08 20:12 by luoyongfeng
[¿¼ÑÐ] 324Çóµ÷¼Á +17 ÏëÉÏѧÇóµ÷ 2026-04-03 17/850 2026-04-08 20:04 by ÎÒ¼õ·Ê1
[¿¼ÑÐ] 298Çóµ÷¼Á +6 ¶¤¶£ß˶¬¹Ï 2026-04-07 8/400 2026-04-08 10:51 by ÖзÉÔº¿Õ¹ÜѧԺÑ
[¿¼²©] É격 +8 IQwQl 2026-04-04 8/400 2026-04-08 09:43 by 0608104024
[¿¼ÑÐ] ¼ÆËã»ú11408 287 Çóµ÷¼Á +3 LiLe5 2026-04-07 3/150 2026-04-07 23:15 by shanqishi
[¿¼ÑÐ] 301Çóµ÷¼Á +18 121. 2026-04-04 18/900 2026-04-07 17:49 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 293Çóµ÷¼Á +3 ÓÂÔ¶¿â°®314 2026-04-06 3/150 2026-04-07 11:15 by hugr
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©Çóµ÷¼Á +7 heguanhua 2026-04-05 8/400 2026-04-06 18:41 by macy2011
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©µ÷¼Á +4 Ê®Æßsa 2026-04-05 4/200 2026-04-05 20:05 by lys0704
[¿¼ÑÐ] ²ÄÁÏ383Çóµ÷¼Á +5 ¹ùÑôÑôÑô³É 2026-04-04 5/250 2026-04-04 19:06 by dongzh2009
[¿¼ÑÐ] 22408Çóµ÷¼Á 354·Ö ¿É¿çרҵ +3 hannnnnnn 2026-04-04 3/150 2026-04-04 14:35 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 315·Ö 085602 Çóµ÷¼Á +15 26¿¼ÑÐÉϰ¶°æ26 2026-04-02 15/750 2026-04-03 12:45 by xingguangj
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û