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rock_yang

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wurongjun

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rock_yang(feixiaolin´ú·¢): ½ð±Ò+3 2015-08-13 18:49:40
SÇúÏßÄâºÏ¹«Ê½!
y=1/(a+b*exp(-x))
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2Â¥2015-08-12 15:21:11
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dingd

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rock_yang(feixiaolin´ú·¢): ½ð±Ò+8 2015-08-13 18:50:58
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y = a1*exp(-b1*(x-c1)^2)+a2*exp(-b2*(x-c2)^2)+a3*exp(-b3*(x-c3)^2)

¾ù·½²î(RMSE):0.218721887792415
²Ð²îƽ·½ºÍ(SSE):15.0693682228355
Ïà¹ØÏµÊý(R): 0.999967919500335
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.999935840029828
È·¶¨ÏµÊý(DC): 0.999935840027149
¿¨·½ÏµÊý(Chi-Square): 0.0976614611188808
Fͳ¼Æ(F-Statistic): 596166.087677457

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----------        -------------
a1        118.895486448042
b1        -9.69809701273442E-6
c1        130.783704207953
a2        -23.3728280599882
b2        0.000121946155325717
c2        108.464467096817
a3        -1318.03911365479
b3        5.99357647736135E-5
c3        -208.960541414415
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10Â¥2015-08-13 13:01:32
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rock_yang

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ÒýÓûØÌû:
4Â¥: Originally posted by feixiaolin at 2015-08-12 16:23:58
ÄãÉÏÊý¾ÝÀ´...

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  • 2015-08-12 16:40:38, 15.99 K
5Â¥2015-08-12 16:41:08
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rock_yang

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ÒýÓûØÌû:
2Â¥: Originally posted by wurongjun at 2015-08-12 15:21:11
SÇúÏßÄâºÏ¹«Ê½!
y=1/(a+b*exp(-x))

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3Â¥2015-08-12 15:34:21
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feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
3Â¥: Originally posted by rock_yang at 2015-08-12 15:34:21
Õâ¸öÐÎʽ²»¶Ô£¬Æä·´º¯ÊýµÄ½á¹¹ÓëÒªÇóÊÇÒ»Öµģ¬µ«ÊÇбÂʶ¼²»Âú×ãÒªÇó...

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4Â¥2015-08-12 16:23:58
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feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
5Â¥: Originally posted by rock_yang at 2015-08-12 16:41:08
ÕâÊÇÈý×éÊý¾Ý£¬Ï£ÍûÓÃͬһ¸öº¯ÊýÐÎʽÄâºÏ...

Èôºá×ø±êÊýÖµÒÀ´ÎΪ1, 2, 3, ¡­, Ö®Àࣻ
ÐøWurongjunר¼ÒÒâ¼û£¬y=p1*(x^3+p2*x^2+p3*x+p4)/(a+b*exp(-x))
6Â¥2015-08-12 17:29:02
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rock_yang

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
6Â¥: Originally posted by feixiaolin at 2015-08-12 17:29:02
Èôºá×ø±êÊýÖµÒÀ´ÎΪ1, 2, 3, ¡­, Ö®Àࣻ
ÐøWurongjunר¼ÒÒâ¼û£¬y=p1*(x^3+p2*x^2+p3*x+p4)/(a+b*exp(-x))...

Õâ¸öЧ¹ûÒ²²»ºÃ

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f(x) = a1*sin(b1*x+c1) + a2*sin(b2*x+c2) + a3*sin(b3*x+c3)
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7Â¥2015-08-12 19:29:12
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peterflyer

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

peterflyer


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rock_yang(feixiaolin´ú·¢): ½ð±Ò+2 2015-08-13 18:50:39
y=a*[x-b]^3+cÕâÑùµÄº¯Êý¿ÉÒÔ·ñ£¿

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
8Â¥2015-08-12 21:19:32
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feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
8Â¥: Originally posted by peterflyer at 2015-08-12 21:19:32
y=a*^3+cÕâÑùµÄº¯Êý¿ÉÒÔ·ñ£¿

²»ÀíÏë¡£¹ÊÎÒ½áºÏÈý´Îº¯Êý¡¢Sº¯Êý£¨6£££©£¬R£½0.994

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