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wgq08208

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4Â¥: Originally posted by wgq08208 at 2019-09-06 16:31:42
»¹ÓÐÒ»×éÊý¾ÝÐèÒªÄú°ïæÄâһϣº
Parameter a,b,c,d,e;
Variable x,y;
Function y=543.09224-a*x^0.5+b*x^2-c*ln(x)-d*x^1.5+e*int(t^5/(exp(t)-1)/(1-exp(-t)),t=0,70/x);
Data;
2        543.09224
3.19679        542.74 ...

¾ù·½²î(RMSE): 0.0159056501642121
²Ð²îƽ·½ºÍ(SSR): 0.00607175297151119
Ïà¹ØϵÊý(R): 0.999924747028967
Ïà¹ØϵÊý֮ƽ·½(R^2): 0.999849499720943
ÐÞÕýRƽ·½(Adj. R^2): 0.999835166361033
È·¶¨ÏµÊý(DC): 0.999849499710142
Fͳ¼Æ(F-Statistic): 31556.8399172227

²ÎÊý                  ×î¼Ñ¹ÀËã
--------------------        -------------
a        0.30307484663819
b        0.0182945514944454
c        0.0910394329737761
d        0.109607844227438
e        0.00586460954944788
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6Â¥2019-09-06 18:43:34
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dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

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¶À¹ÂÉñÓî: ½ð±Ò+5, ¹ÄÀø½»Á÷ 2019-09-06 18:40:27
²Î¿¼Ï£º
Root of Mean Square Error (RMSE): 0.579257524046714
Sum of Squared Residual: 55.6995203413452
Correlation Coef. (R): 0.999130144079711
R-Square: 0.998261044808744
Adjusted R-Square: 0.998239707935231
Determination Coef. (DC): 0.998240162190586
F-Statistic: 22633.9766530297

Parameter                  Best Estimate
--------------------        -------------
a        11.0249743621518
b        -0.0111311550903735
c        2.44746428253231
d        -0.189372058531681
e        0.143066157674126
2Â¥2019-09-06 14:10:51
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wgq08208

½û³æ (СÓÐÃûÆø)

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3Â¥2019-09-06 15:13:10
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wgq08208

½û³æ (СÓÐÃûÆø)

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4Â¥2019-09-06 16:31:42
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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°æÖ÷ (ÖªÃû×÷¼Ò)

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ÒýÓûØÌû:
3Â¥: Originally posted by wgq08208 at 2019-09-06 15:13:10
àÅàÅ£¬¶àлdingd£¬Äܲ»ÄÜ°ÑÄâºÏµÄÇúÏßͼҲ·¢Ò»Ï¡£ beefly

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5Â¥2019-09-06 18:41:29
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wgq08208

½û³æ (СÓÐÃûÆø)

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7Â¥2019-09-06 23:31:32
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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°æÖ÷ (ÖªÃû×÷¼Ò)

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ÒýÓûØÌû:
7Â¥: originally posted by wgq08208 at 2019-09-06 23:31:32
àÅ£¬Ð»Ð»Äú¡£ÎҰѲÎÊý´øÈëÏë»æÖÆÇúÏߣ¬µ«ÊÇ´úÂëÔËÐв»ÁË£¬²»ÖªÎªÊ²Ã´£¬ÄúÄܸø¿´¿´Âð£¿
parameters x,y;
plotfunction y=543.09224-0.30307*x^0.5+0.01829*x^2-0.091039*ln(x)-0.10960*x^1.5+0.00586*int(t^5/(ex ...

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LoopConstant x=[2:0.5:30];
PlotLoopData y;
Function y=543.09224-0.30307*x^0.5+0.01829*x^2-0.091039*ln(x)-0.10960*x^1.5+0.00586*int(t^5/(exp(t)-1)/(1-exp(-t)),t=0,70/x);
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8Â¥2019-09-07 10:51:46
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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9Â¥2019-11-08 00:16:41
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гæ (³õÈëÎÄ̳)

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ÒýÓûØÌû:
2Â¥: Originally posted by dingd at 2019-09-06 14:10:51
²Î¿¼Ï£º
Root of Mean Square Error (RMSE): 0.579257524046714
Sum of Squared Residual: 55.6995203413452
Correlation Coef. (R): 0.999130144079711
R-Square: 0.998261044808744
Adjusted R-Square: 0.9 ...

ÄúºÃ  ÎÒÓÃÓ¢ÎÄ°æ±¾ÄâºÏΪʲôÏÔʾÎҵIJÎÊý³¬¹ýÁËËĸö ÄúÄܲ»ÄÜ°ïÎÒ¿´Ò»ÏÂÎÒÕâ¸ö´úÂëÄØ  ÄâºÏ²»³öÀ´ Îå¸ö²ÎÊýµÄ
10Â¥2023-11-19 12:02:33
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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