±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 3631  |  »Ø¸´: 2
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

comn1024

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] Çó¸ßÊÖ£¬ÓÃmatlabÄâºÏSÇúÏߵķ½·¨

x1=[1800 1900 2100 2200 2300 2400 2500 2600 2650 2700 2720 2650 2600 2500 2300 2200 2000 1850 1820 1800 1750 1500 1000 900];
x2=[32 60 75 90 90 98 100 102 108 112 115 116 118 120 118 105 80 60 50 30 26 20 8 5];
y=x1.*x2;
y=k/(1+a*exp(b*x1)
Çóa b kÖµ
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÎÒÃǶ¼Ò»Ñù
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
comn1024: ½ð±Ò+1, ¡ï¡ï¡ïºÜÓаïÖú 2012-08-26 21:51:56
ÓÃ1stOptºÜ¼òµ¥°¡£º
CODE:
Constant
x1=[1800 1900 2100 2200 2300 2400 2500 2600 2650 2700 2720 2650 2600 2500 2300 2200 2000 1850 1820 1800 1750 1500 1000 900],
x2=[32 60 75 90 90 98 100 102 108 112 115 116 118 120 118 105 80 60 50 30 26 20 8 5];
MinFunction Sum(x1,x2)((x1*x2-k/(1+a*exp(b*x1)))^2);

k: 314762.348045923
a: 10353.4695497507
b: -0.00450155241252536
3Â¥2012-08-26 19:41:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 3 ¸ö»Ø´ð

Medichen

Í­³æ (СÓÐÃûÆø)

ÊÔ×ÅÄâºÏÁËһϣ¬µ«ÊǾÍÊǽá¹û²»ÀíÏë¡£×øµÈ¥ϸßÈË
±¿ÄñÏÈ·É£¡
2Â¥2012-08-26 10:26:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 320·Ö£¬²ÄÁÏÓ뻯¹¤×¨Òµ£¬Çóµ÷¼Á +7 Ò»¶¨Éϰ¶aaa 2026-03-27 9/450 2026-03-28 07:07 by wangy0907
[¿¼ÑÐ] Çóµ÷¼ÁÍÆ¼ö ²ÄÁÏ 304 +15 ºÉ°üµ°hyj 2026-03-26 15/750 2026-03-28 04:13 by fmesaito
[¿¼ÑÐ] 333Çóµ÷¼Á +3 questionÍì·ç 2026-03-23 3/150 2026-03-27 11:29 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 312Çóµ÷¼Á +9 Éϰ¶°ÉZJY 2026-03-22 13/650 2026-03-27 11:24 by sanrepian
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸ ±¾¿Æ ±±¿Æ´ó »¯Ñ§ 343 +6 13831862839 2026-03-24 7/350 2026-03-26 22:57 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 352Çóµ÷¼Á +4 ´óÃ×·¹£¡ 2026-03-22 4/200 2026-03-26 16:40 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 0856Çóµ÷¼Á +8 zhn03 2026-03-25 9/450 2026-03-26 13:42 by zzll406
[¿¼ÑÐ] Çóµ÷¼Á +3 QiMing7 2026-03-25 3/150 2026-03-25 21:13 by ¸øÄãÄã×¢ÒâÐÝÏ¢
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ´óѧ»¯Ñ§Ñ§Ë¶0703×Ü·Ö337Çóµ÷¼Á +7 niko- 2026-03-22 7/350 2026-03-25 20:14 by qingfeng258
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤304ÇóBÇøµ÷¼Á +3 Çñgl 2026-03-25 3/150 2026-03-25 19:03 by Ainin_
[¿¼ÑÐ] ÇóbÇøÔºÐ£µ÷¼Á +4 ÖÜ56 2026-03-24 5/250 2026-03-25 17:12 by yishunmin
[¿¼ÑÐ] 086003ʳƷ¹¤³ÌÇóµ÷¼Á +6 íµíµ111 2026-03-24 6/300 2026-03-25 10:29 by 3Strings
[¿¼ÑÐ] 300·Ö£¬²ÄÁÏ£¬Çóµ÷¼Á£¬Ó¢Ò»Êý¶þ +5 ³¬ÔÞµÄ 2026-03-24 5/250 2026-03-24 21:07 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 306Çó0703µ÷¼ÁÒ»Ö¾Ô¸»ªÖÐʦ·¶ +10 Ö½Óãly 2026-03-21 11/550 2026-03-24 17:22 by qingfeng258
[¿¼ÑÐ] Çóµ÷¼Á +6 ÑÐÑУ¬½Óµç»° 2026-03-24 7/350 2026-03-24 17:01 by barlinike
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ÓàÒâÇä 2026-03-21 6/300 2026-03-24 15:03 by ÓàÒâÇä
[¿¼ÑÐ] 305·ÖÇóµ÷¼Á£¨Ê³Æ·¹¤³Ì£© +5 Sxy112 2026-03-21 7/350 2026-03-24 12:27 by 544594351
[¿¼ÑÐ] »·¾³Ñ§Ë¶288Çóµ÷¼Á +8 ƤƤƤ123456 2026-03-22 8/400 2026-03-23 23:47 by ÈÈÇéɳĮ
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³£¬×Ü·Ö308Çóµ÷¼Á +7 īīĮ 2026-03-23 8/400 2026-03-23 20:36 by Creta
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û