What is equivalent of Matlab nan( ) in python?

Question

this is my MATLAB code with the following output:

pad=nan(1,5)

pad =

   NaN   NaN   NaN   NaN   NaN

I want to do the same operation in python, I tried np.isnan(1,6) but this is not working. what should I used to get the same results. thank you

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Answer 1

You can use np.full() to create a multi-dimensional array pre-populated with the same values:

np.full((1, 5), np.nan)

which produces:

array([[nan, nan, nan, nan, nan]])

Answered By: sj95126

Answer 2

You can use numpy.zeros(N) + numpy.nan, where N is the number of NaN you want in your array.

import numpy as np

N = 6
nan_array = np.zeros(N) + np.nan

Will produce the following array –

[array([nan, nan, nan, nan, nan, nan])]

Answered By: Faruk Ahmad

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