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keywsw

新虫 (初入文坛)

[求助] 跪求大神帮忙-既定函数的非线性拟合 已有1人参与

各位大神,我有个问题之前发过求助帖,版主很热心地给了我相关资料的链接,但苦于自己这方面基础比较差,所以希望大神就我这个具体案例编写详细代码(不是楼主懒,是真的不会orz)。
          我再把问题叙述一下:
函数:见附件
数据:L=[3.765E-07,4.225E-07,4.740E-07,5.315E-07,5.965E-07,6.695E-07,7.510E-07,8.425E-07,9.455E-07,1.061E-06,1.191E-06,1.336E-06,1.499E-06,1.682E-06,1.887E-06,2.117E-06,2.376E-06,2.665E-06,2.990E-06,3.355E-06,3.765E-06,4.224E-06,4.740E-06,5.318E-06,5.967E-06,6.695E-06,7.511E-06,
8.428E-06,9.457E-06,1.061E-05,1.190E-05,1.336E-05,1.499E-05,1.682E-05,1.887E-05,2.117E-05,2.375E-05,2.665E-05,2.990E-05,3.355E-05,3.765E-05,
4.224E-05,4.739E-05,5.318E-05,5.967E-05,6.695E-05,7.511E-05,8.428E-05,9.456E-05,1.061E-04,1.190E-04,1.336E-04,1.499E-04,1.682E-04,1.887E-04,
2.117E-04,2.375E-04,2.665E-04]
ln n=[55.3324 ,55.3080 ,55.3011 ,54.9469 ,54.5777 ,54.1216,53.6177 ,53.0470 ,52.4666 ,51.8005 ,51.1720 ,50.5084 ,50.0526 ,49.5927 ,49.3310 ,49.0350 ,
48.7202 ,48.3862 ,48.0865 ,47.7211 ,47.3885 ,47.0409 ,46.6826 ,46.3155 ,45.9373 ,45.5818 ,45.2352 ,44.9155 ,44.6291 ,44.3690 ,44.1393 ,43.9163 ,43.6995 ,43.4762 ,43.2398 ,42.9825 ,42.7067 ,42.4023 ,42.0768 ,41.7226 ,41.3427 ,40.9367 ,40.5044 ,40.0456 ,39.5582 ,39.0419 ,38.4971 ,37.9199 ,
37.3059 ,36.6524 ,35.9489 ,35.1920 ,34.3677 ,33.4724 ,32.4824 ,31.4189 ,29.8937 ,28.2292 ]
t=1875 s跪求大神帮忙-既定函数的非线性拟合
公式5.PNG
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田宝刚

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【答案】应助回帖

大哥,我碰到跟你差不多一样的问题。不知道你解决了没?要是解决了的话可否告知小弟怎么搞的。
有点传统,有点孤独,有点邪气。
2楼2014-08-18 13:52:37
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