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kamishiro 2009-05-22 10:49

求助拟合问题
 
大家好~~,我有一个拟合问题请教大家,
-4.3 0.000347
-4.1 0.00104
-3.9 0
-3.7 0.000347
-3.5 0.000347
-3.3 0.00104
-3.1 0.000347
-2.9 0.001734
-2.7 0.000693
-2.5 0.002427
-2.3 0.002427
-2.1 0.004161
-1.9 0.005895
-1.7 0.006935
-1.5 0.007282
-1.3 0.013176
-1.1 0.023925
-0.9 0.034327
-0.7 0.047503
-0.5 0.0638
-0.3 0.117545
-0.1 0.141817
0.1 0.157767
0.3 0.121012
0.5 0.080097
0.7 0.051318
0.9 0.037795
1.1 0.026352
1.3 0.01699
1.5 0.009709
1.7 0.007282
1.9 0.003467
2.1 0.002427
2.3 0.001387
2.5 0.001387
2.7 0.001734
2.9 0.000347
3.1 0.00104
3.3 0.000693
3.5 0.000347
3.7 0.000347
3.9 0.00104
4.1 0.000347

数据如上,我想拟合T分布~~~,我不会啊,希望大家热心帮助,详细点,~~~谢谢。

slgu 2009-05-24 23:12

回复: 求助拟合问题
 
f(x)=b1/(1+b2*x^2)^b3
b=[0.15574397, 2.5437416, 1.4167769]
RSS =0.00047546053
MSe = 1.2191e-005
R^2 = 0.99323


所有时间均为北京时间。现在的时间是 05:26

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