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Mia12

USA
1 Posts
Posted - 03/31/2018 :  04:57:53 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Please help. I am using latest version origin-Lab. I wanted to fit black body equation and hence to find the temperature from it. I put parameters h, c, k, t. I kept all parameter constant except t (temperature). File did not convert unknown reason. this is the user defined function.

y=((2*h*c^2)/x^5)*(1/(exp(h*c/(x*k*t))-1))

Mia
Edited by - Mia12 on 03/31/2018 05:00:20 AM

yuki_wu

896 Posts
Posted - 04/02/2018 :  01:24:44 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Mia,

Not sure if you have the same issue with this quick help, but you could take a look and check your function first:
https://www.originlab.com/doc/Quick-Help/ExponentialFit-not-Converging

Regards,
Yuki
OriginLab
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