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lhygood

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[求助] matlab 拟合

求助:
       我用matlab拟合时出现:
                                       Fit could not be computed due to error:

NaN computed by model function, fitting cannot continue.
Try using or tightening upper and lower bounds on coefficients.
但是我把横坐标除以3600后,就行了。原来横坐标是以秒为单位,
除以3600后变成以小时为单位了。我很希望得到以秒为单位的结果,所以求助!谢谢!
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