²é¿´: 1327  |  »Ø¸´: 6
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

Integrity02

гæ (³õÈëÎÄ̳)

[ÇóÖú] Ó¦ÓÃmatlab½øÐРʵÑéÊý¾ÝÄâºÏÇó½â²ÎÊýÎÊÌâ ÒÑÓÐ1È˲ÎÓë

ÏÖÔÚÓÐÒ»×éʵÑéÊý¾Ý N=[457337,195025,86695,56388,47778,15839,12072];p=[0.95,1.31,1.50,1.71,1.92,2.15,2.63];
º¯Êý N=k(p)^d ÖÐµÄ k ºÍ d ¶¼ÊÇÒªÇóµÄ£¬ÇëÎÊÏÂÕâ¸öº¯ÊýÓ¦¸ÃÔõô±à³Ì°¡£¿Ð¡µÜ¸Õ¸Õѧϰmatlab ¿ÒÇë´ó¼Ò°ï¸öæ
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

Integrity02

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
4Â¥: Originally posted by dingd at 2015-10-27 09:58:00
ͼ·½±ã¼òµ¥ÓÃ1stOpt£¬Á½¾ä»°£º

Function  N=k*p^d;
Data;
N=;
p=;


¾ù·½²î(RMSE):16214.9390890685
²Ð²îƽ·½ºÍ(SSE):1840469747.63542
Ïà¹ØÏµÊý(R): 0.994259378348237
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.988551 ...

Êý¾Ý´¦ÀíʱÌáʾ£¬´ý´¦ÀíÊý¾Ý³¤¶È²»¹»
Ó¦ÓÃmatlab½øÐРʵÑéÊý¾ÝÄâºÏÇó½â²ÎÊýÎÊÌâ
D5Z)GZY6$~$T1I2T$`5M_9N.png

5Â¥2015-10-27 13:36:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

2Â¥2015-10-26 22:05:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Integrity02

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2015-10-26 22:05:19
http://wenda.haosou.com/q/1371374279060673

ºÜ¸Ðл£¬¿ÉÊÇÎÒÊÇmatlabÎÄ䣬²»ÊǺÜÃ÷°×£¬ÇëÎÊ£¬ÄãÄÜдϳÌÐòÂð
3Â¥2015-10-27 09:32:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Integrity02(feixiaolin´ú·¢): ½ð±Ò+3 2015-10-27 12:36:42
ͼ·½±ã¼òµ¥ÓÃ1stOpt£¬Á½¾ä»°£º
CODE:
Function  N=k*p^d;
Data;
N=[457337,195025,86695,56388,47778,15839,12072];
p=[0.95,1.31,1.50,1.71,1.92,2.15,2.63];

¾ù·½²î(RMSE):16214.9390890685
²Ð²îƽ·½ºÍ(SSE):1840469747.63542
Ïà¹ØÏµÊý(R): 0.994259378348237
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.988551711433422
È·¶¨ÏµÊý(DC): 0.987904078220707
¿¨·½ÏµÊý(Chi-Square): 11948.8362229871
Fͳ¼Æ(F-Statistic): 413.362461433866

²ÎÊý        ×î¼Ñ¹ÀËã
----------        -------------
k        390948.040330149
d        -3.26718345692127
Ó¦ÓÃmatlab½øÐРʵÑéÊý¾ÝÄâºÏÇó½â²ÎÊýÎÊÌâ-1
c2.jpg

4Â¥2015-10-27 09:58:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[˶²©¼ÒÔ°] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8.O.551.O.5.4,¿ÆÄ¿È«,¿ÉÙ¤¼± +3 0XLacIJUOj8D 2026-08-24 6/300 2026-08-25 00:11 by BZKMTicpDhFj
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +5 chengyan1220 2026-08-23 5/250 2026-08-24 23:28 by ÎÒ4´ó°×²Ë
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +7 scalable 2026-08-24 7/350 2026-08-24 23:01 by anata1209
[»ù½ðÉêÇë] ÎÒÃæÉÏÍêµ°ÁË +9 ÇÒÌý»¢Ð¥ 2026-08-20 10/500 2026-08-24 20:08 by ¿àº®À´Ïã
[»ù½ðÉêÇë] ÄÜ·ñÍ˳ö²ÎÓëµÄÃæÉÏÏîÄ¿½â³ýÏÞÏî +21 koalala 2026-08-24 24/1200 2026-08-24 19:25 by ¼ÒÓëÔ¶·½
[»ù½ðÉêÇë] filecode£¬4¸öjtjcÁË +14 ziyangfang 2026-08-19 17/850 2026-08-24 18:37 by ¹þ¹þ¸ò£¿
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +6 Ñ׻ƹóëÐ 2026-08-22 7/350 2026-08-24 11:58 by 6543yes
[»ù½ðÉêÇë] ÈÃÎÒÖÐÒ»¸öÃæÉϰɣ¡ +13 ´óƼ1987 2026-08-20 16/800 2026-08-24 10:23 by ̫ɵÁË
[»ù½ðÉêÇë] ¿ÆÑй¶ùÌ«ÄÑÁË +18 ÎÒ4´ó°×²Ë 2026-08-20 19/950 2026-08-24 09:47 by ¿­¶÷¹ãÊ¢´ß»¯·ÖÎ
[»ù½ðÉêÇë] ʲôʱºò¿ª½±£¿ +10 CrisMessi 2026-08-18 11/550 2026-08-24 06:50 by ¿ªÐĵÄСʨ×Ó
[»ù½ðÉêÇë] 2026ÄêµÄ¹ú¼ÒÉç¿Æ»ù½ðÏîĿͨѶÆÀÉóµÄйæÔòÓëж¯Ïò¡¢ÐÂÌôÕ½ +4 process2012 2026-08-23 5/250 2026-08-23 19:58 by jurkat.1640
[½Ìʦ֮¼Ò] Ìø²ÛºóÔÚÑÐÏîÄ¿Ôõô°ì£¿ +5 ¼òµ¥»¯xn 2026-08-22 10/500 2026-08-23 12:38 by ¼òµ¥»¯xn
[»ù½ðÉêÇë] ½ñÌì·Å°ñÂ𣿠+15 ²¼²¼ºÍÒ»¶þ 2026-08-19 16/800 2026-08-23 09:55 by ÕÅ´ºÉú
[»ù½ðÉêÇë] ½ñÌì»ù½ð»á³ö½á¹ûÂð£¿20260819 +16 kkkl_v 2026-08-19 17/850 2026-08-22 16:12 by °¢²¼Abu
[»ù½ðÉêÇë] ¿´À´½ñÌì²»»á·Å°ñÁË£¿ +8 chengyan1220 2026-08-21 11/550 2026-08-21 17:52 by dcqxinyang
[»ù½ðÉêÇë] ʱ¼ä´ÁÓÖ±äÁË +13 wuchongjun 2026-08-20 19/950 2026-08-21 17:21 by ×Ïɼ´¼
[»ù½ðÉêÇë] Ó¦¸ÃÊÇÏÂÖÜÈý26ÈÕ¹«²¼Á˰ɣ¿ +4 ¹þ¹þ¸ò£¿ 2026-08-21 4/200 2026-08-21 10:58 by Vivilian
[»ù½ðÉêÇë] ½ñÌì·Å°ñûϷÁ衃 +9 yuleib84 2026-08-19 11/550 2026-08-21 10:06 by gltch
[»ù½ðÉêÇë] ÖØÒªÏûÏ¢£¬ÖÐÎçϵͳÔÚά»¤ +11 yuleib84 2026-08-18 12/600 2026-08-20 11:09 by xskun
[»ù½ðÉêÇë] Ã÷Ìì·Å°ñ£¿ +5 Shxjjxjkx 2026-08-18 5/250 2026-08-18 18:14 by -´ó´ó´ó´ó´ó-
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û