Input format of the smooth function
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I read the instructions for the smooth function, and I want to know if the input y to the function must be in column vector form.

Can I enter a row vector for smoothing ?
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Answers (1)
Sameer
on 9 Dec 2024
Edited: Sameer
on 9 Dec 2024
Hi @中祥 范
Yes, the input 'y' to the smooth function can be in either row or column vector form. If you step inside the function, the input 'y' is converted to a column vector using the statement "y = y(:)"
Hope this helps!
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Adam Danz
on 9 Dec 2024
y can be any sized array. As Sameer states, it's reshaped to a column vector.
A = rand(6,5,2,8,4);
s1 = smooth(A); % 5D array
s2 = smooth(A(:)); % Column vector, same data
isequal(s1,s2) % same result
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