isequal(NaN, NaN) always return false. By definition Nans are not equal to each other. If you want test that a result is NaN, either use isnan, or use isequaln
The problem is unsolvable due to the second test.
I agree guys! something wrong
please use the function: isequalwithequalnans
Thanks for the suggestions. I fixed with isequalwithequalnans.
Inner product of two vectors
sum of non-primes
Switch matrix to a column vector
Find the area of the four walls
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Replace Nonzero Numbers with 1
Look Up Mapping
LocateMembership | Membership of Matrix in another matrix
Sort the vector with the given index
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