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ww8031

China
2 Posts

Posted - 11/27/2023 :  03:38:51 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic


如何拟合能像上图一样平滑,我拟合的(非线性)的像下图一样老是带个小尾巴。


https://my.originlab.com/ftp/forum_and_kbase/Images/data123.opj

Edited by - ww8031 on 11/28/2023 12:20:24 AM

Echo_Chu

China
Posts

Posted - 01/22/2024 :  05:03:34 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
这种取决于你用什么函数进行拟合。上图估计用多个不同的函数来进行分段拟合的。可以试试这个app

https://www.originlab.com/fileExchange/details.aspx?fid=325
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ww8031

China
2 Posts

Posted - 01/22/2024 :  8:10:17 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
非常感谢!
quote:
Originally posted by Echo_Chu

这种取决于你用什么函数进行拟合。上图估计用多个不同的函数来进行分段拟合的。可以试试这个app

https://www.originlab.com/fileExchange/details.aspx?fid=325

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