Unique: Enhanced Performance - Large and Wide Array - Speed Improvement (66% savings) - MATLAB Cody - MATLAB Central

Problem 956. Unique: Enhanced Performance - Large and Wide Array - Speed Improvement (66% savings)

Difficulty:
(9)
Rate

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

Solve

Solution Stats

87.5% Correct | 12.5% Incorrect
Last Solution submitted on Oct 23, 2024

Solution Comments

Show comments

Problem Recent Solvers20

Suggested Problems

More from this Author308

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!
Go to top of page