±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1139  |  »Ø¸´: 15
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

haofayi

Òø³æ (ÕýʽдÊÖ)

[ÇóÖú] Çó½Ì·½³ÌÄâºÏ ÒÑÓÐ3È˲ÎÓë

¸÷λ´óÏÀ£¬Êý¾ÝÊÇÕâÑùµÄ£¬Èý×éÊý¾Ý£¬X1=[0.113 0.245 0.336 0.431 0.589 0.635 0.757 0.771 0.851 0.877];
Y1=[4.94 7.20 8.16 9.22 10.89 12.74 17.80 18.38 24.72 28.70];
T=278

X2=[0.113 0.231 0.331 0.432 0.544 0.591 0.725 0.755 0.817 0.851];
Y2=[4.58 6.67 7.62 8.88 10.15 10.87 14.55 17.39 21.83 24.65];
T=293

X3=[0.112 0.201 0.316 0.432 0.484 0.532 0.658 0.747 0.794 0.823];
Y3=[3.27 4.99 5.57 7.48 7.90 9.02 12.20 15.33 17.11 19.34];
T=313
Ï൱ÓÚ3¸öζÈϲâµÃµÄ3×éÊý¾Ý£¬·½³Ìy=(a+bT)*(x/(1-x))^c,   ÕâÑù¿ÉÒÔÄâºÏ³öa£¬ b£¬ cÈý¸ö²ÎÊýÂ𣿣¿  ×îºóÒ²¾ÍÊÇÏ£ÍûÄÜÒ»¸ö·½³Ì£¬ÀïÃæÓÐx£¬TÁ½¸ö±äÁ¿£¬Äܹ»ÃèÊö3×éÊý¾Ý¡£¿ÉÒÔÂ𣿣¿£¿Çë´óÏÀ´Í½Ì¡£  matlab·½·¨¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

1413965491

гæ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
haofayi: ½ð±Ò+5, ¡ïÓаïÖú 2014-08-13 11:43:13
ʹÓÃmatlabÖеÄÈýάÄâºÏÇúÏß¾ÍÐУ¬×Ô±äÁ¿¿´³ÉxºÍt£¬Òò±äÁ¿¿´³Éy
×öµ½×îºó
4Â¥2014-08-13 09:51:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 16 ¸ö»Ø´ð

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
haofayi: ½ð±Ò+5, ¡ïÓаïÖú 2014-08-13 11:43:32
²»Ç¿µ÷MatlabµÄ»°£¬1stOptµ¹ÊÇ·½³Ì¼òµ¥·½±ã£º
CODE:
VarConstant T=[278,293,313];
Function y=(a+b*T)*(x/(1-x))^c;
Data;
X=[0.113 0.245 0.336 0.431 0.589 0.635 0.757 0.771 0.851 0.877];
Y=[4.94 7.20 8.16 9.22 10.89 12.74 17.80 18.38 24.72 28.70];
Data;
X=[0.113 0.231 0.331 0.432 0.544 0.591 0.725 0.755 0.817 0.851];
Y=[4.58 6.67 7.62 8.88 10.15 10.87 14.55 17.39 21.83 24.65];
Data;
X=[0.112 0.201 0.316 0.432 0.484 0.532 0.658 0.747 0.794 0.823];
Y=[3.27 4.99 5.57 7.48 7.90 9.02 12.20 15.33 17.11 19.34];

¾ù·½²î(RMSE):0.814290243914772
²Ð²îƽ·½ºÍ(SSE):19.8920580400433
Ïà¹ØÏµÊý(R): 0.993546313881282
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.987134277827083
È·¶¨ÏµÊý(DC): 0.985099174842384
Fͳ¼Æ(F-Statistic): 678.546504952918

²ÎÊý                  ×î¼Ñ¹ÀËã
--------------------        -------------
a        22.5665701284962
b        -0.043791180491037
c        0.503456846947289
2Â¥2014-08-12 22:44:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

haofayi

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by dingd at 2014-08-12 22:44:06
²»Ç¿µ÷MatlabµÄ»°£¬1stOptµ¹ÊÇ·½³Ì¼òµ¥·½±ã£º

VarConstant T=;
Function y=(a+b*T)*(x/(1-x))^c;
Data;
X=;
Y=;
Data;
X=;
Y=;
Data;
X=;
Y=;


¾ù·½²î(RMSE):0.814290243914772
²Ð²îƽ·½ºÍ(SSE): ...

ÄãºÃ£¬dingd£¬1stopt·½³ÌȷʵºÜ¼òµ¥£¬ÎÒµÚÒ»´ÎÖªµÀÕâ¸ö£¬Ö®Ç°ÓÃmatlab£¬origin¡£ÎÒ¿´µ½ÎÄÏ×ÉÏÓÐÈËÓòî·Ö½ø»¯·¨ (Differential Evolution - DE)Ëã·¨¡£ÄúÉÏÃæµÄ·½³Ìa£¬b£¬cµÄ²ÎÊý£¬´øÈë·½³ÌÔõôÎó²î±È½Ï´ó¡£ÕâÒѾ­ËãÊÇ×îÓŽ⣿
ŬÁ¦°É
3Â¥2014-08-13 09:38:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

haofayi

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by 1413965491 at 2014-08-13 09:51:48
ʹÓÃmatlabÖеÄÈýάÄâºÏÇúÏß¾ÍÐУ¬×Ô±äÁ¿¿´³ÉxºÍt£¬Òò±äÁ¿¿´³Éy

ÐÖµÜÄÜ´óÖ¸ø³ömÎļþÂð¡£ÆäʵÎÒÏ£ÍûµÄÀíÏë½á¹û»¹Ï£ÍûÅäÉÏͼ¡£ ÄâºÏÇúÏßͼ¡£Ð»Ð»À²¡«¡«
ŬÁ¦°É
5Â¥2014-08-13 11:43:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 292Çóµ÷¼Á +12 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 13/650 2026-03-27 11:32 by wangjy2002
[¿¼ÑÐ] Çóµ÷¼ÁÍÆ¼ö ²ÄÁÏ 304 +9 ºÉ°üµ°hyj 2026-03-26 9/450 2026-03-27 11:18 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] Çóµ÷¼Á +3 ÕÅzz111 2026-03-27 4/200 2026-03-27 11:07 by ÅÁ¶ûÂíÀ­ÌØ
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉÂʦ´óÉúÎïѧ071000£¬298·Ö£¬Çóµ÷¼Á +5 SYA£¡ 2026-03-23 5/250 2026-03-27 09:29 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +8 Æ¥¿Ëi 2026-03-23 8/400 2026-03-27 08:11 by hypershenger
[¿¼ÑÐ] 316Çóµ÷¼Á +5 ½­´Ç666 2026-03-26 5/250 2026-03-27 08:08 by hypershenger
[¿¼ÑÐ] 284Çóµ÷¼Á +11 junqihahaha 2026-03-26 12/600 2026-03-27 04:37 by wxiongid
[¿¼ÑÐ] 304²ÄÁÏÇóµ÷¼Á +4 ÖÓllll 2026-03-26 4/200 2026-03-27 03:42 by wxiongid
[¿¼ÑÐ] 291Çóµ÷¼Á +9 hhhhxn.. 2026-03-23 9/450 2026-03-26 18:59 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] »úеѧ˶310·Ö£¬ÊýÒ»Ó¢Ò»£¬Ò»Ö¾Ô¸211±¾¿ÆË«·ÇÕÒµ÷¼ÁÐÅÏ¢ +3 @357 2026-03-25 3/150 2026-03-26 16:34 by by.MENG
[¿¼ÑÐ] 085601Çóµ÷¼Á×Ü·Ö293Ó¢Ò»Êý¶þ +4 ¸ÖÌú´óÅÚ 2026-03-24 4/200 2026-03-26 16:28 by dick_runner
[¿¼ÑÐ] 081700 µ÷¼Á 267·Ö +11 ÃÔÈ˵Ĺþ¹þ 2026-03-23 11/550 2026-03-26 15:41 by zzll406
[¿¼ÑÐ] 281Çóµ÷¼Á +6 Koxui 2026-03-24 7/350 2026-03-26 15:37 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 269Çóµ÷¼Á +4 ÎÒÏë¶ÁÑÐ11 2026-03-23 4/200 2026-03-23 21:25 by pswait
[¿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
[¿¼ÑÐ] 336Çóµ÷¼Á +4 ÊÕµ½VS 2026-03-20 4/200 2026-03-23 19:02 by macy2011
[¿¼ÑÐ] 315·Ö£¬³ÏÇóµ÷¼Á£¬²ÄÁÏÓ뻯¹¤085600 +3 13756423260 2026-03-22 3/150 2026-03-22 20:11 by edmund7
[¿¼ÑÐ] 308Çóµ÷¼Á +3 īīĮ 2026-03-21 3/150 2026-03-22 16:54 by i_cooler
[¿¼ÑÐ] 330Çóµ÷¼Á0854 +3 assdll 2026-03-21 3/150 2026-03-21 13:01 by ²«»÷518
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏÀí¹¤085701»·¾³302Çóµ÷¼ÁԺУ +3 ¿ûè÷ÎÀ¶Ó 2026-03-20 3/150 2026-03-20 19:28 by zhukairuo
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û