Numpy array or list of random signs

mresimulator
165 ●32 ●43 ●52

Hi experts!

How can I obtain a numpy array or list of 'N'random signs? for example:

[1, -1, 1, 1 , -1, -1, 1 , 1, 1]

where N = 9.

Waiting for your answers.

Thanks a lot!

1 Answer

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Luca
870 ●5 ●21

In pure python:

import random
[(-1)**random.randint(0,1) for i in range(9)]

Thanks Luca!!

mresimulator ( 2013-08-24 21:32:48 +0200 )edit

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Asked: 2013-08-24 18:28:40 +0200

Seen: 1,872 times

Last updated: Aug 24 '13