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

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federico nutarelli 2021-3-15

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评论： Grace Wang 2021-7-22

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,

Federico

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Uday Pradhan 2021-3-18

Hi, could you please share a minimal example to reproduce the error?

Jan 2021-3-21

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?

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回答（2 个）

Jan 2021-3-18

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在 MATLAB Online 中打开

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))

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Walter Roberson 2021-7-22

You do not have a smooth function for type double. Perhaps you are missing Curve Fitting Toolbox

Grace Wang 2021-7-22

Thank you Walter! I install the Curve Fitting Toolbox, and the problem is solved.

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federico nutarelli 2021-3-21

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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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类别

Signal Processing Signal Processing Toolbox Signal Generation and Preprocessing Smoothing and Denoising

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