Problem 2351. Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1.
Example:
Input x = [ 1 2 0 0 0 0 0 5 0 0 2 7 0 0 0 0 6 9 3 3 ]
Output y is [ 1 1 0 0 0 0 0 1 0 0 1 1 0 0 0 0 1 1 1 1 ]
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Ned Gulley
on 6 Jun 2014
I updated the second test with isequaln so that NaN == NaN is true.
Stanislao Pinzón
on 17 May 2020
It should be mentioned that 1 must be placed in the non-zero elements except for NaN.
Brianne Tengan
on 12 Dec 2020
Replace all nonzero numbers with 1. Leave any NaN elements as NaN.
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