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.
Given two strings, find the maximum overlap
Distance walked 3D
radius of a spherical planet
Spot the outlier
Join Strings with Multiple Different Delimiters
Create a vector whose elements depend on the previous element
Sort an array of structures
Combinations without using nchoosek
Set the array elements whose value is 13 to 0
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