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shiandong

гæ (³õÈëÎÄ̳)

[½»Á÷] Ò»¸öÁùÔª·½³Ì×é ÒÑÓÐ2È˲ÎÓë

Í·´óÁË, Ôõô¶ÁÊé¶Áµ½Õâ·ÝÉÏ, Õâ¸ö¶¼½â²»³öÀ´ÁË, Á½ÌìÁË, ÔÚexcelÉϵ㰡µã, Ëã°¡Ëã,
Çó´óÏÉÀ´½âÕâ¸ö?

ÌâÄ¿ÊÇ

0*a+35.4*b+10.5*c+75.6*d+1.3*e+0*f=19.5
0*a+22.6*b+13.8*c+4.5*d+1.2*e+0*f=7
83.3*a+3.5*b+12.5*c+9*d+1.3*e+0*f=17.7
16.7*a+0*b+8.6*c+0*d+6.3*e+0*f=5
0*a+8.9*b+30.6*c+3.6*d+64.9*e+0*f=32.1
0*a+1.3*b+19.5*c+0.7*d+17.5*e+0*f=3.8
0*a+28.3*b+4.5*c+6.6*d+7.5*e+100*f=14.9


Çó a, b, c, d, e ºÍ f?


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feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÓÅ»¯Ëã·¨: ×î´ó¼Ì³Ð·¨
º¯Êý±í´ïʽ 1: 0*a+35.4*b+10.5*c+75.6*d+1.3*e+0*f-(19.5)
         2: 0*a+22.6*b+13.8*c+4.5*d+1.2*e+0*f-(7)
         3: 83.3*a+3.5*b+12.5*c+9*d+1.3*e+0*f-(17.7)
         4: 16.7*a+0*b+8.6*c+0*d+6.3*e+0*f-(5)
         5: 0*a+8.9*b+30.6*c+3.6*d+64.9*e+0*f-(32.1)
         6: 0*a+1.3*b+19.5*c+0.7*d+17.5*e+0*f-(3.8)
         7: 0*a+28.3*b+4.5*c+6.6*d+7.5*e+100*f-(14.9)
Ä¿±êº¯ÊýÖµ: 0.608175681068527
a: 0.232107994640994
b: 0.497151571269328
c: -0.38141610447599
d: 0.0677571865025827
e: 0.602507826521754
f: -0.0241902312660209
2Â¥2015-06-12 14:57:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shiandong

гæ (³õÈëÎÄ̳)

лл, ·Ç³£¸Ðл°¡
3Â¥2015-06-12 15:52:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shiandong

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2015-06-12 14:57:42
ÓÅ»¯Ëã·¨: ×î´ó¼Ì³Ð·¨
º¯Êý±í´ïʽ 1: 0*a+35.4*b+10.5*c+75.6*d+1.3*e+0*f-(19.5)
         2: 0*a+22.6*b+13.8*c+4.5*d+1.2*e+0*f-(7)
         3: 83.3*a+3.5*b+12.5*c+9*d+1.3*e+0*f-(17.7)
         4: 16. ...

Èç¹ûa, b, c, d, e ºÍ f ¶¼±ØÐëΪÕýÊý, È»ºóËûÃǵĺÍÓÖ±ØÐëΪ1, Ó¦¸ÃÔõôËã, ÓÐûÓÐÕâÖÖ¿ÉÄÜÐÔ. лл
4Â¥2015-06-12 16:33:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

uvwxmc

½ð³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
4Â¥: Originally posted by shiandong at 2015-06-12 16:33:38
Èç¹ûa, b, c, d, e ºÍ f ¶¼±ØÐëΪÕýÊý, È»ºóËûÃǵĺÍÓÖ±ØÐëΪ1, Ó¦¸ÃÔõôËã, ÓÐûÓÐÕâÖÖ¿ÉÄÜÐÔ. лл...

7¸ö·½³Ì½â6¸öδ֪Êý£¬²»³ÉÁ˳¬¶¨·½³ÌÁËô£¿£¡
Äã°Ñc£¬fÓ²¹æ¶¨³É0£¬ÒòΪËüÁ©±¾À´ÊǸºÖµ¡£¹æ¶¨Ö®ºóÔÙ½âʣϵÄ4¸ö·½³Ì¡£

Äã³éÏóµÄÊýѧÎÊÌâ²»¶Ô£¬Ä㻹ÊÇÖ±½Ó˵ÎÊÌâÀ´Ô´ºÃÁË¡£
5Â¥2015-06-16 13:28:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
4Â¥: Originally posted by shiandong at 2015-06-12 16:33:38
Èç¹ûa, b, c, d, e ºÍ f ¶¼±ØÐëΪÕýÊý, È»ºóËûÃǵĺÍÓÖ±ØÐëΪ1, Ó¦¸ÃÔõôËã, ÓÐûÓÐÕâÖÖ¿ÉÄÜÐÔ. лл...

ÓÅ»¯Ëã·¨: Âó¿äÌØ·¨(Levenberg-Marquardt) + ͨÓÃÈ«¾ÖÓÅ»¯·¨
º¯Êý±í´ïʽ 1: 0*a+35.4*b+10.5*c+75.6*d+1.3*e+0*f-(19.5)
         2: 0*a+22.6*b+13.8*c+4.5*d+1.2*e+0*f-(7)
         3: 83.3*a+3.5*b+12.5*c+9*d+1.3*e+0*f-(17.7)
         4: 16.7*a+0*b+8.6*c+0*d+6.3*e+0*f-(5)
         5: 0*a+8.9*b+30.6*c+3.6*d+64.9*e+0*f-(32.1)
         6: 0*a+1.3*b+19.5*c+0.7*d+17.5*e+0*f-(3.8)
         7: 0*a+28.3*b+4.5*c+6.6*d+7.5*e+100*f-(14.9)
         8: a+b+c+d+e+f-(0)
Ä¿±êº¯ÊýÖµ: 6.45170308186529
a: 0.180636077526781
b: 0.260191978671945
c: 1.6482257752967E-11
d: 0.128331435710676
e: 0.451806929666934
f: 0.0330102394519324
6Â¥2015-06-16 21:45:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ shiandong µÄÖ÷Ìâ¸üÐÂ
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