24СʱÈÈÃŰæ¿éÅÅÐаñ    

Znn3bq.jpeg
²é¿´: 2462  |  »Ø¸´: 14
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

wodemiss

Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] Ò»½×΢·Ö·½³ÌÇó½â£¬²¢ÓÅ»¯²ÎÊýÖµ

½ô¼±ÇóÖú£¬·Ç³£¸Ðл£¡£¡£¡
ÎÒÓÐһϵÁÐy-tÖµ£¬ÈçºÎ¼ÆËãdy/dt=a*y*(b-y)/(c*d+d*y+e*(b-y)+y*(b-y)).
»òÕß˵ÎÒÒÑÖªa£¬b£¬c£¬d£¬eµÄÖµÈçºÎ¸ù¾Ýʱ¼ätµÄ±ä»¯Çó³öYµÄÖµ£¬È»ºóÒÀ¾ÝÇóµÃµÄy-tÖµÀ´ÄâºÏy-tÖµÇóµÃ×î¼ÑµÄ²ÎÊýÖµa£¬c£¬d£¬e¡£
Ê®·Ö¸Ðл£¬ÏÖÔÚ¶ÔÕâ¸öÏ൱À§»ó¡£Ï£Íû´ó¼ÒÖ¸µ¼Ò»Ï¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

Ò»ËòÑÌÓêÈÎÆ½Éú
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Áù±¾Ä¾

гæ (СÓÐÃûÆø)

¡ï ¡ï
zhangguangping: ½ð±Ò+2, ллÌáʾ£¡ 2012-05-14 19:10:42
³õ²½¿´ÁËһϣ¬ÄãÕâ¸öÆäʵ²»ÄÑ£¬ÓÃmatlab£¬mathtype£¬»òÕßÊÇ×Ô¼ºÐ´Ò»¸öС³ÌÐò£¨¾ßÌåÄã¿ÉÒԲο¼ÈκÎÒ»±¾ÊýÖµ·ÖÎöµÄÊ飬Èç¹û²»ÐèҪ̫¸ßµÄ¾«¶ÈµÄ»°£¬Äã¾ÍÓÃÅ·À­·½·¨£©¾Í¿ÉÒÔ½â¾öÄãµÄµÚÒ»¸öÎÊÌâ¡£
4Â¥2012-05-10 10:19:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 15 ¸ö»Ø´ð

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
wodemiss: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú 2012-05-07 15:31:12
΢·Ö·½³ÌÄâºÏ¿ÉÒÔÊÔÏÂ1stOpt£¬¼òµ¥Ò×ÉÏÊÖ¡£ÓÐÊý¾ÝµÄ»°ÌùÉÏÀ´¿ÉÒÔ°ïÄãÊÔÊÔ¡£

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

2Â¥2012-05-07 11:57:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wodemiss

Ìú³æ (СÓÐÃûÆø)

ËÍÏÊ»¨Ò»¶ä
ÒýÓûØÌû:
2Â¥: Originally posted by dingd at 2012-05-07 11:57:38:
΢·Ö·½³ÌÄâºÏ¿ÉÒÔÊÔÏÂ1stOpt£¬¼òµ¥Ò×ÉÏÊÖ¡£ÓÐÊý¾ÝµÄ»°ÌùÉÏÀ´¿ÉÒÔ°ïÄãÊÔÊÔ¡£

àÅ£¬ÎÒÏÖÔÚÖ»ÊÇÕâ¸ö˼·£¬»¹Ã»ÓÐÊý¾Ý£¬¶øÇÒÎÒÒÔºó»¹»á¼Ó²ÎÊý£¬½øÐÐÄâºÏ£¬»áºÜÂé·³£¬°¦£¬ÎÒѧÉúÎïµÄ£¬×ö·´Ó¦¶¯Á¦Ñ§£¬µ«ÊDz»¶®¼ÆË㣬ÎÒÔÚÍøÉÏϵ½ÁË1.5ÆÆ½â°æ£¬ÊDz»ÊÇûÓÐÕâ¸ö¹¦ÄÜ£¬ÎÒÒÔºóÒ»Á½¸öÔ»ᾭ³£Óã¬Ò²²»ºÃÒ»Ö±ÈÃÄãŪ°É¡£¡£¡£Èç¹ûÂò1stopt4.0»ò5.0°æÐèÒª¶àÉÙÇ®£¿
Ò»ËòÑÌÓêÈÎÆ½Éú
3Â¥2012-05-07 14:43:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wjx0162

Òø³æ (ÖøÃûдÊÖ)

¡ï
zhangguangping: ½ð±Ò+1, ллÌáÐÑ£¡ 2012-05-14 19:11:19
Ï뽫y-tÖµ×öÊýֵ΢·ÖµÃµ½dy/dt-tµÄÇúÏߣ¬È»ºóÓÃ×îС¶þ³Ë·¨ÄâºÏ¸ÃÇúÏߣ¬µÃµ½abcde¡£
5Â¥2012-05-10 11:03:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +14 Ò»ÑùYWY 2026-04-06 14/700 2026-04-08 23:00 by Öí»á·É
[¿¼ÑÐ] 278Çóµ÷¼Á +21 ·¶æÃÄÈ 2026-04-07 24/1200 2026-04-08 22:48 by may_ÐÂÓî
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤£¬Çóµ÷¼Á +6 won_qii 2026-04-07 6/300 2026-04-08 21:57 by hypershenger
[¿¼ÑÐ] 085404£¬334·Ö£¬Çóµ÷¼Á +5 sunjie8888 2026-04-08 5/250 2026-04-08 21:39 by 313165yang
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£ÖÝ´óѧ085600Çóµ÷¼Á +21 ³ÔµÄ²»ÉÙ 2026-04-05 24/1200 2026-04-08 16:47 by sunhuadong
[¿¼ÑÐ] ¿¼Ñе÷¼Á +11 ±ù±ù£¬£¬£¬ 2026-04-07 11/550 2026-04-08 15:08 by Delta2012
[¿¼ÑÐ] 285Çóµ÷¼Á +7 ¶ñ·¨´ó¶þµÄÆøÎ¶ß 2026-04-05 10/500 2026-04-08 14:34 by zhq0425
[¿¼ÑÐ] 326·Ö£¬Ò»Ö¾Ô¸»¦9£¬ÇóÉúÎïѧµ÷¼Á +4 Áõīī 2026-04-05 4/200 2026-04-08 06:22 by lijunpoly
[¿¼ÑÐ] 277Çóµ÷¼Á ÊýÒ»104·Ö +9 Æ¿×ÓPZ 2026-04-05 14/700 2026-04-07 17:52 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 372Çóµ÷¼Á +4 jjÓ¿77 2026-04-02 4/200 2026-04-07 09:31 by °×ÔÆ¶ä¶ä·É
[¿¼ÑÐ] 297·Ö083200ÇóÖú +9 aekx 2026-04-05 9/450 2026-04-06 20:57 by flysky1234
[¿¼ÑÐ] 285Çóµ÷¼Á +5 mapmath 2026-04-06 6/300 2026-04-06 17:18 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤´óѧ080200»úе¹¤³Ì308·Ö£¬Çóµ÷¼Á +4 ÖÕ²»ËÆ´Óǰ 2026-04-05 4/200 2026-04-06 11:46 by ¿¼ÑÐѧУÕеãÈË
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤´óѧ-085601²ÄÁϹ¤³Ì£¨×¨Ë¶£©-×Ü·Ö353Çóµ÷¼Á +3 2626262626li 2026-04-02 3/150 2026-04-06 09:08 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ085600Ó¢Ò»Êý¶þ337·ÖÇóµ÷¼Á +12 lyz0427 2026-04-03 12/600 2026-04-06 06:37 by houyaoxu
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷±±Å©ÁÖÐóÄÁר˶336·ÖÇóµ÷¼Á +3 5ourr 2026-04-03 3/150 2026-04-05 10:40 by JOKER0401
[¿¼ÑÐ] 272Çóµ÷¼Á +4 Ëɰس£Çà5 2026-04-03 4/200 2026-04-04 17:03 by babysonlkd
[¿¼ÑÐ] ±¾¿Æ211£¬×¨Òµ085404£¬293·ÖÇëÇóµ÷¼Á +5 Á«²Ë¾ÍÊÇź°É 2026-04-04 5/250 2026-04-04 14:08 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] Çóµ÷¼Á +4 ѹÁ¦??´ó 2026-04-03 4/200 2026-04-03 21:36 by à£à£à£0119
[¿¼ÑÐ] 313Çóµ÷¼Á +3 ¡«Î¢Î¢Á¹¡« 2026-04-03 3/150 2026-04-03 11:25 by à£à£à£0119
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û