Problem 2351. Replace Nonzero Numbers with 1

Difficulty:Rate

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 ]

Solve

Last Solution submitted on Apr 12, 2025

Show 3 older comments

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.

Show comments

ANNOUNCEMENT

Hello Community, We're excited to announce that registration is now open for the...

Group

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!