Numpy array or list of random signs

random
signs
array

asked 11 years ago

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!

add a comment

1 Answer

Sort by » oldest newest most voted

answered 11 years ago

Luca
890 ●6 ●21

In pure python:

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

link

Comments

Thanks Luca!!

mresimulator ( 11 years ago )

add a comment

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Question Tools

Stats

Asked: 11 years ago

Seen: 1,957 times

Last updated: Aug 24 '13

Related questions

Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.

Numpy array or list of random signs savecancel