Check for missing argument or incorrect argument data type in call to function 'smooth'.

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federico nutarelli
federico nutarelli 2021 年 3 月 15 日
コメント済み: Grace Wang 2021 年 7 月 22 日
Hi all,
the above error emerges also when I try the ssimple toy example in the help of ssmooth function. I am on Mac OSX Catalina and using R2020b.
Why iss this happening?
Thank you,
  2 件のコメント
Jan 2021 年 3 月 21 日
The message tells you, that there is a problem with calling the function. Then show us, how you call the function. What are the inputs?


回答 (2 件)

Jan 2021 年 3 月 18 日
Do you call the built-in function smooth or did you shadow it with a user-defined function? See:
which smooth -all
Please post a small working example. Does the message occur for this also:
smooth(rand(1, 100))
  3 件のコメント
Grace Wang
Grace Wang 2021 年 7 月 22 日
Thank you Walter! I install the Curve Fitting Toolbox, and the problem is solved.


federico nutarelli
federico nutarelli 2021 年 3 月 21 日
Hi all thank you for answering the question above. I basically forgot to install the curve fitting package. So I get back to the adds-in and installed it on my current matlab version.
Sorry for any inconvenience


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