[Python] Complex NumPy values

Retrieving the Real or Complex part

num.real for real value
num.imag for complex value

Defining complex values

1j
np.complex(0,1)

Retrieving the Magnitude and Phase part

np.abs(num)
np.angle(num)

Back to complex number

mag * np.exp(1j * angle)

Reference

https://stackoverflow.com/questions/13567089/scale-the-real-part-of-complex-numpy-array
https://stackoverflow.com/questions/28872862/equivalent-of-j-in-numpy
https://stackoverflow.com/questions/16444719/python-numpy-complex-numbers-is-there-a-function-for-polar-to-rectangular-co

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