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zzq4816

新虫 (小有名气)

[求助] 1stopt带积分的参数拟合求助

想用1stopt做一个带积分的参数拟合,我想的太简单了,做不出来,求带飞
Parameters ky,kg;
Variable t,a;
Function
          a=1-exp(-2*kg*t*int(1-exp(-ky*t^3*(1-u)^2*(1+2*u)),u,0,1));

Data;
//t  a
0.002488514        0.000175156
0.032820628        0.002882179
0.048198095        0.004469024
0.063575561        0.006057611
0.078953027        0.00745782
0.094330494        0.008856498
0.10970796        0.010013099
0.125085427        0.011167729
0.140462893        0.01210758
0.15584036        0.013045682
0.171217826        0.013809775
0.186595293        0.014572448
0.201972759        0.01519845
0.217350226        0.015823336
0.232727692        0.016342041
0.248105158        0.016859877
0.263482625        0.017295395
0.278860091        0.017730239
0.294237558        0.018101076
0.309615024        0.01847139
0.324992491        0.018791716
0.340369957        0.019111633
0.355747424        0.01939224
0.37112489        0.019672524
0.386502357        0.019921581
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zzq4816

新虫 (小有名气)

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2楼2016-12-02 19:26:38
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喵帕斯酱儿

新虫 (初入文坛)

引用回帖:
2楼: Originally posted by zzq4816 at 2016-12-02 19:26:38
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楼主你是怎么解决的,求告知
3楼2018-05-09 16:01:26
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