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.
Clean the List of Names
Get the length of a given vector
Side of a rhombus
length of a vector
Find the list of all open files
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Matrix with different incremental runs
Set the array elements whose value is 13 to 0
Angle between two vectors
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