²é¿´: 1324  |  »Ø¸´: 4
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

xhgeng12

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] matlabµ÷ÓÃnlinfitº¯Êý³ö´í£¬ÇëÇó¸ßÈËÖ¸µã¡£ ÒÑÓÐ1È˲ÎÓë

fuction yhat=myfun(beta,x)
b1=beta(1);
b2=beta(2);
b3=beta(3);
b4=beta(4);
b5=beta(5);
b6=beta(6);
b7=beta(7);
b8=beta(8);
b9=beta(9);
b10=beta(10);
x1=x(:,1);
x2=x(:,2);
Ö÷³ÌÐò
x3=X(:,3);x=[ 30, 30, 30, 30,30, 35, 35, 35, 35,35,40, 40, 40, 40, 40, 45,45,45, 45,45,50,50, 50, 50, 50; -10,-5,0,5,10,-10,-5, 0,5,10,-10,-5,0, 5,10,-10        ,-5,0        ,5,10,-10,        -5,0        ,5,10;0,4,8,12,16,4,8,12,16,0,8,12,16,0,4,12,16,0,4,8,16,0,4,8,12; 0,4,8,12,16,8,12,16,0,4,16,0,4,8,12,4,8,        12,16,0,12,16,0,4,8]';
y=[ 7.5397        9.714729436        12.58053924        20.08356842        44.02014933        7.462471915        9.019877535        12.55194494        16.12385827        10.52975491        7.03431774        20.21957109        11.88022333        7.721002574        9.92870294        3.454386968        8.650931216        6.166789097        7.374647819        9.781128666        6.783285756        5.103990274        6.121346816        7.321398513        9.311612064]';
beta0=[1,1,1,1,1,1,0,1,0]';
[beta,r]= nlinfit(x,y, @myfun,beta0)
??? Error using ==> nlinfit at 123
The model function 'myfun' generated the following error:
Attempt to execute SCRIPT myfun as a function:
D:\Óû§Ä¿Â¼\Documents\MATLAB\myfun.m
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

hytao2012

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ľͷ³æ×Ó

ÒýÓûØÌû:
4Â¥: Originally posted by xhgeng12 at 2014-09-10 15:36:46
лл£¬Í¨¹ý´ó¼ÒµÄ°ïÖú£¬ÒѾ­½â¾ö£¬Íò·Ö¸Ðл£¡...

²»¿ÍÆø
5Â¥2014-09-11 08:37:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

hytao2012

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ľͷ³æ×Ó

¡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
xhgeng12: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, лл£¬ÎÊÌâÒѾ­½â¾öÁË¡£ 2014-09-10 15:33:05
Äãfunctionд´íÁË
2Â¥2014-07-16 22:28:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hytao2012

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ľͷ³æ×Ó

˵ʵ»°¿´²»¶®ÄãµÄÄ¿µÄ£¬Á¬ÄãÒªÄâºÏµÄ·½³ÌµÄÐÎʽ¶¼¿´²»µ½

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

3Â¥2014-07-16 22:40:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xhgeng12

½ð³æ (СÓÐÃûÆø)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
3Â¥: Originally posted by hytao2012 at 2014-07-16 22:40:34
˵ʵ»°¿´²»¶®ÄãµÄÄ¿µÄ£¬Á¬ÄãÒªÄâºÏµÄ·½³ÌµÄÐÎʽ¶¼¿´²»µ½

лл£¬Í¨¹ý´ó¼ÒµÄ°ïÖú£¬ÒѾ­½â¾ö£¬Íò·Ö¸Ðл£¡
4Â¥2014-09-10 15:36:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÕÐÊÕµ÷¼Á˶ʿ +4 lidianxing 2026-03-19 12/600 2026-03-20 12:25 by lidianxing
[¿¼ÑÐ] Çóµ÷¼Á +3 °µÓ¿afhb 2026-03-16 3/150 2026-03-20 00:28 by ºÓÄÏ´óѧУÓÑ
[¿¼²©] É격26Äê +3 °Ë6°Ë68 2026-03-19 3/150 2026-03-19 19:43 by nxgogo
[¿¼ÑÐ] 321Çóµ÷¼Á +8 ºÎÈó²É123 2026-03-18 10/500 2026-03-19 16:46 by ºÎÈó²É123
[¿¼ÑÐ] 085601²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +10 Ľº®mio 2026-03-16 10/500 2026-03-19 15:26 by ¶¡¶¡*
[¿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] 0703»¯Ñ§ 305Çóµ÷¼Á +4 FY_yy 2026-03-14 4/200 2026-03-19 05:54 by anny19840123
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çó¸÷λÀÏʦÊÕÁô +10 ÇïÓÐľ±± 2026-03-14 10/500 2026-03-19 05:52 by anny19840123
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶µ÷¼Á +5 204818@lcx 2026-03-17 6/300 2026-03-18 22:55 by 204818@lcx
[¿¼ÑÐ] 0854¿É¿çµ÷¼Á£¬Ò»×÷Ò»ÏîºËÐÄÂÛÎÄÎåÏîרÀû£¬Ê¡¡¢¹ú¼¶Ö¤Êé40+ÊýÒ»Ó¢Ò»287 +8 СÀî0854 2026-03-16 8/400 2026-03-18 14:35 by ²«»÷518
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»´ó£¬Çóµ÷¼Á +4 ²Ä»¯ÖðÃÎÈË 2026-03-18 4/200 2026-03-18 14:22 by 007_lilei
[¿¼ÑÐ] 070300»¯Ñ§319Çóµ÷¼Á +6 ½õÀð0909 2026-03-17 6/300 2026-03-18 13:22 by Iveryant
[¿¼ÑÐ] ²ÄÁÏר˶326Çóµ÷¼Á +6 Ä«ìÏæ¦Ý· 2026-03-15 7/350 2026-03-17 17:10 by ruiyingmiao
[¿¼ÑÐ] ÓÐûÓеÀÌú/ÍÁľµÄÏëµ÷¼ÁÄÏÁÖ£¬¸ø×Ô¼ºÕÐʦµÜÖС« +3 TqlXswl 2026-03-16 7/350 2026-03-17 15:23 by TqlXswl
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤×¨Ë¶µ÷¼Á +5 heming3743 2026-03-16 5/250 2026-03-17 14:03 by Ó¸ÒÌ«¼àÍõ¹«¹«
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +3 zhouzhen654 2026-03-16 3/150 2026-03-17 07:03 by laoshidan
[¿¼ÑÐ] 326Çóµ÷¼Á +4 ŵ±´¶û»¯Ñ§½±êéê 2026-03-15 7/350 2026-03-16 17:11 by ŵ±´¶û»¯Ñ§½±êéê
[¿¼ÑÐ] 26¿¼ÑÐÒ»Ö¾Ô¸ÖйúʯÓÍ´óѧ(»ª¶«)305·ÖÇóµ÷¼Á +3 ¼ÎÄêÐÂ³Ì 2026-03-15 3/150 2026-03-15 13:58 by ¹þ¹þ¹þ¹þºÙºÙºÙ
[¿¼ÑÐ] ÕÐÊÕ0805£¨²ÄÁÏ£©µ÷¼Á +3 18595523086 2026-03-13 3/150 2026-03-14 00:33 by 123%¡¢
[¿¼ÑÐ] 304Çóµ÷¼Á +7 7712b 2026-03-13 7/350 2026-03-13 21:42 by peike
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û