Problem 980. Unique values without using UNIQUE function

Aurelien Queffurust

444 solvers

3 likes

Solve

Solve Later

You must return unique values in a vector in stable mode without using the unique function.
About stable order flag:
For example:
   C = unique([5 5 3 4],'stable') 
returns 
     C = [5 3 4].
The values are returned in the same order as in the original vector
Doc of the Unique function here.

Solve

Solution Stats

1024 Solutions

444 Solvers

Last Solution submitted on Feb 16, 2026

Last 200 Solutions

Problem Comments

2 Comments

Akrem Hadji on 17 Oct 2020

The link forward to MATLAB stable releases not to unique function documentation!!

goc3 on 27 Oct 2020

The link has been updated.

Solution Comments

Show comments

Problem Recent Solvers444

Suggested Problems

Subset Sum

2010 Solvers
Determine if a Given Number is a Triangle Number

398 Solvers
Project Euler: Problem 7, Nth prime

1751 Solvers
Project Euler: Problem 9, Pythagorean numbers

1385 Solvers
A matrix of extroverts

266 Solvers

More from this Author30

Number of bytes required to store a sparse matrix

6 Solvers
Assign numerical values to a structure with 1 field

34 Solvers
Return unique values without sorting

999 Solvers
Convert a numerical matrix into a cell array of strings

2384 Solvers
Cody Computer Part 5 - Guess the Name of Cody Computer

59 Solvers

Problem Tags

Community Treasure Hunt

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

Start Hunting!