How to applied 2d gaussian function

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Z998567 2021-8-3

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评论： Matt J 2021-8-3

Hi,

I tried to modifed and applied this function: https://au.mathworks.com/matlabcentral/fileexchange/55033-fit-1d-and-2d-gaussian-to-noisy-data?s_tid=prof_contriblnk by @Manuel A. Diaz

I upload my code and data I don't know why the fit not working and the amplitude not in the center of the gaussain

I hope someone can help.

Thanks,

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回答（2 个）

Yongjian Feng 2021-8-3

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https://ww2.mathworks.cn/matlabcentral/answers/891482-how-to-applied-2d-gaussian-function#answer_759637

Try to contact the auther of the fileexchange function first?

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Z998567 2021-8-3

Thanks, I'll try to contact him

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Matt J 2021-8-3

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编辑：Matt J 2021-8-3

You could try this alternative gaussian fitting routine, and see if you get different results:

https://www.mathworks.com/matlabcentral/fileexchange/69116-gaussfitn?s_tid=srchtitle

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Z998567 2021-8-3

Thanks Matt, it works but I need to plot the fir as an image like the attachement. Is there away with this function.

Matt J 2021-8-3

Once you have the fitted parameters, you can plot it any way you wish.

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