²é¿´: 1477  |  »Ø¸´: 10
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

shi2012

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] Matlab¶àÔª»Ø¹é£¡ ÒÑÓÐ3È˲ÎÓë

ÏÖÓÐÒ»º¯Êý£¬y=a*x1+b*x2+c*x3+d*x4£¬ÏÖÒÑÖªx1£¬x2£¬x3£¬x4£¬Í¬Ê±ÖªµÀϵÊýb£¬c£¬dµÄ·¶Î§£¬ÇÒa+b+c+d=1,ÇëÎÊÈçºÎÇó³öa,b,c,dµÄÖµ£¿
ÀýÈ磬´Ë´¦£¬y=55.65£¬x1=53.73£¬x2=66.93£¬x3=7.63£¬x4=28.22£¬b=0~0.1£¬c=0~0.1£¬d=0~0.05¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

shi2012

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
8Â¥: Originally posted by dnp at 2014-09-26 10:56:54
°´ÕÕÄã¸øµÄÌõ¼þ£¬Ò»¸ö·½³Ì£¬4¸ö±äÁ¿£¬Õâ¸ö·½³ÌµÄ½âÓÐÎÞÊý¶à¸ö£¬¿ÉÄÜÐèÒª¸ü¶àµÄÊý¾Ý~~

Èç¹û£¬y=[54.65; 24.40; 11.91; 5.30; 2.08; 0.49; 1.17 ];
x1=[53.73; 26.09; 12.48; 4.80; 1.42; 0.30; 1.17];
x2=[66.93; 7.76; 4.06; 2.83; 12.15; 5.82; 0.44];
x3=[7.63; 76.95; 1.63; 10.01; 2.56; 0.96; 0.25];
x4=[28.22; 18.65; 8.01; 37.42; 3.03; 4.25; 0.42 ];
9Â¥2014-09-26 11:18:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 11 ¸ö»Ø´ð

hytao2012

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ľͷ³æ×Ó

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
°Ñdд³É1-a-b-c
ÔÚÃüÁî´°¿ÚÊäÈëcftool£¬È»ºó»Ø³µÊÔÊÔ
2Â¥2014-09-26 08:37:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

NUAA_TIMI

гæ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
a: 0.911164097934957
b: 0.0999996526550123
c: 1.40239660072488E-8
d: 2.53798530728699E-11
under review¡­¡­
3Â¥2014-09-26 09:57:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

NUAA_TIMI

гæ (ÕýʽдÊÖ)

a: 1.01257709158832
b: 0.0128668655316662
c: 3.74817526898506E-5
d: 0.0135645102975376
under review¡­¡­
4Â¥2014-09-26 09:58:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 ºôºô£¿~+123456 2026-03-21 3/150 2026-03-21 20:04 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 297Çóµ÷¼Á +3 ϲ»¶»¹ÊDz»¸ÊÐÄ 2026-03-20 3/150 2026-03-21 18:33 by ѧԱ8dgXkO
[¿¼ÑÐ] 26¿¼ÑÐÒ»Ö¾Ô¸ÖйúʯÓÍ´óѧ(»ª¶«)305·ÖÇóµ÷¼Á +6 ¼ÎÄêÐÂ³Ì 2026-03-15 6/300 2026-03-21 17:07 by Dream007008
[¿¼ÑÐ] 0805²ÄÁÏ320Çóµ÷¼Á +3 ÉÎïÓï 2026-03-20 3/150 2026-03-21 15:46 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 306Çóµ÷¼Á +4 chuanzhu´¨Öò 2026-03-18 4/200 2026-03-21 08:25 by laoshidan
[¿¼ÑÐ] »úеר˶299Çóµ÷¼ÁÖÁ²ÄÁÏ +3 kkcoco25 2026-03-16 4/200 2026-03-21 03:52 by JourneyLucky
[¿¼ÑÐ] 301Çóµ÷¼Á +10 yyÒªÉϰ¶Ñ½ 2026-03-17 10/500 2026-03-21 03:14 by JourneyLucky
[¿¼ÑÐ] ²ÄÁϹ¤³Ì£¨×¨£©Ò»Ö¾Ô¸985 ³õÊÔ335Çóµ÷¼Á +3 hiloiy 2026-03-17 4/200 2026-03-21 03:04 by JourneyLucky
[¿¼ÑÐ] 304Çóµ÷¼Á +7 ˾¿Õ. 2026-03-18 7/350 2026-03-20 23:08 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤²ÄÁϹ¤³Ìר˶µ÷¼Á +9 Doleres 2026-03-19 9/450 2026-03-20 22:36 by JourneyLucky
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +9 ´ó¿Édigkids 2026-03-16 9/450 2026-03-20 17:38 by ×íÔÚ·çÀï
[¿¼ÑÐ] ¹ãÎ÷´óѧ¼ÒÇÝÒÅ´«ÓýÖÖ¿ÎÌâ×é2026Äê˶ʿÕÐÉú£¨½ÓÊÕ¼ÆËã»úרҵµ÷¼Á£© +3 123°¢±ê 2026-03-17 3/150 2026-03-20 15:58 by ·ÉÐÐçù
[¿¼ÑÐ] 286Çóµ÷¼Á +6 lemonzzn 2026-03-16 10/500 2026-03-19 14:31 by lemonzzn
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +4 ÉúÎ﹤³Ìµ÷¼Á 2026-03-16 12/600 2026-03-19 11:10 by ÉúÎ﹤³Ìµ÷¼Á
[¿¼ÑÐ] 344Çóµ÷¼Á +6 knight344 2026-03-16 7/350 2026-03-18 20:13 by walc
[¿¼ÑÐ] ²ÄÁÏ£¬·ÄÖ¯£¬ÉúÎ0856¡¢0710£©£¬»¯Ñ§ÕÐÉúÀ² +3 Eember. 2026-03-17 9/450 2026-03-18 10:28 by Eember.
[¿¼ÑÐ] 334Çóµ÷¼Á +3 Ö¾´æ¸ßÔ¶ÒâÔÚ»úÐ 2026-03-16 3/150 2026-03-18 08:34 by lm4875102
[¿¼ÑÐ] 326Çóµ÷¼Á +5 Éϰ¶µÄСÆÏ 2026-03-15 6/300 2026-03-17 17:26 by ruiyingmiao
[¿¼ÑÐ] 085601Çóµ÷¼Á +4 Du.11 2026-03-16 4/200 2026-03-17 17:08 by ruiyingmiao
[¿¼ÑÐ] ÓÐûÓеÀÌú/ÍÁľµÄÏëµ÷¼ÁÄÏÁÖ£¬¸ø×Ô¼ºÕÐʦµÜÖС« +3 TqlXswl 2026-03-16 7/350 2026-03-17 15:23 by TqlXswl
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û