perhaps you should specify that y is in the order of the first occurence of each unique element of x
This would be a better problem if unique and sort functions were not allowed
Solution without using sort(.) or unique(.) .
Solution without using sort(_) or unique(_) .
Note 1) this solution does not use sort() anywhere :) 2) the more elegant "stable" is not available for unique in pre-2012 MATLAB.
Swap the first and last columns
Rotate input square matrix 90 degrees CCW without rot90
04 - Scalar Equations 1
Is this triangle right-angled?
Join Strings with Multiple Different Delimiters
Find all the zeros of sinus , cosinus and tangent in a given interval
Create a vector whose elements depend on the previous element
Combinations without using nchoosek
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