Problem 956. Unique: Enhanced Performance - Large and Wide Array - Speed Improvement (66% savings)
The Challenge is to perform very fast unique function for a long and wide array.
The data is small integer representing data permutations of items like DNA and Rubik's cube faces.
Input: Array of uint8 of dimensions (m, 48) with values 0:3
Output: Array Equivalent to unique(A,'rows')
Hints:
1) Columns can be merged to form a reduced number of columns 2) Unique has the option to provide an Array and a sorting Index
Solution Stats
Solution Comments
Show commentsProblem Recent Solvers20
Suggested Problems
-
1221 Solvers
-
785 Solvers
-
Determine if input is a Narcissistic number
200 Solvers
-
468 Solvers
-
639 Solvers
More from this Author308
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!