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Question: Absolute Value and Signum of List

Question:Absolute Value and Signum of List

FaridSW 30
July 07 2015
0

Given a list of numbers, is there a command that returns the list whose entries are the absolute values of the original list? is there also one from the signum?

Ex: Given L:=[1,-1,-5,2,-3], I would like to obtain for the absolute value [1,1,5,2,3] and for the signum [1,-1,-1,1,-1].
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