Therefore, the second test is inappropriate
isequaln should be used.
The way the problem is written, all nonzero elements, including NaN, should be changed to 1, but the test case doesn't work this way.
I updated the second test with isequaln so that NaN == NaN is true.
It should be mentioned that 1 must be placed in the non-zero elements except for NaN.
Replace all nonzero numbers with 1. Leave any NaN elements as NaN.
Find the sum of all the numbers of the input vector
Project Euler: Problem 9, Pythagorean numbers
Given a 4x4 matrix, swap the two middle columns
Do you like your boss?
Create a Matrix of Zeros
Sort the vector with the given index
Angle difference between Hour Hand and Minute Hand of clock
Repeat The Components of Matrix
LocateMembership | Membership of Matrix in another matrix
Look Up Mapping
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