Problem 2549. length of a vector

Created by Hananeh

Solve Later

Find twice the length of a given vector.

Solve

Solution Stats

1334 Solutions
771 Solvers

Last Solution submitted on Dec 26, 2025

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Paul Bower on 20 Jan 2025

For test case 2: x=[1 2 3]; shouldn't the answer be norm(x) which is approximately 3.74?

Christian Schröder on 20 Jan 2025

"length" here refers to the number of elements - and yes, the problem description could be clearer.

Solution Comments

Show comments

Problem Recent Solvers771

Suggested Problems

The Goldbach Conjecture, Part 2

2410 Solvers
Who knows the last digit of pi?

686 Solvers
The Answer to Life, the Universe, and Everything

572 Solvers
Close MATLAB with keyboard

314 Solvers
Find the area of the four walls

289 Solvers

More from this Author1

Evaluating a polynomial

377 Solvers

Problem Tags

Community Treasure Hunt

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

Start Hunting!