Problem 45162. Double all elements in the array

Created by Nhat Lam Nguyen

Solve Later

Double all elements in the array

Solve

Solution Stats

2853 Solutions
1975 Solvers

Last Solution submitted on Oct 30, 2025

Last 200 Solutions

Problem Comments

3 Comments

3 Comments

ME on 8 Oct 2019

The solution to this problem doesn't make any sense!!!

William on 8 Oct 2019

If you are using the word "duplicate" to mean multiply by 2, then the correct answer is [2,4,6], not [1,4,6]

goc3 on 18 Mar 2021

The title and description have been clarified. Also, the test suite has been corrected and expanded.

Solution Comments

Show comments

Problem Recent Solvers1975

Suggested Problems

Calculate the Levenshtein distance between two strings

1481 Solvers
Project Euler: Problem 9, Pythagorean numbers

1326 Solvers
Return 'on' or 'off'

495 Solvers
Who is the smartest MATLAB programmer?

776 Solvers
Do you like your boss?

627 Solvers

More from this Author7

Converts numbers into characters

1708 Solvers
Find the max element of the array

1960 Solvers
calculate the length of matrix

2183 Solvers
Calculate the average value of the elements in the array

1533 Solvers
the average value of the elements

2019 Solvers

Problem Tags

Community Treasure Hunt

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

Start Hunting!