Periodogram in Octave/Matlab vs Scipy

Question

I am porting some matlab code to python using scipy and got stuck with the following line:

Matlab/Octave code

Answer 1

After reading the Matlab and Scipy documentation, another contribution to the different values could be that they use different default window function. Matlab uses a Hamming window, and Scipy uses a Hanning. The two window functions and similar but not identical.