(copy of problem 5)

Triangle numbers are the sums of successive integers. So 6 is a triangle number because

 6 = 1 + 2 + 3

which can be displayed in a triangular shape like so

      *
     * *
    * * *

Thus 6 = triangle(3). Given n, return t, the triangular number for n.

Example:

 Input  n = 4
 Output t is 10
Solve

Solution Stats

228 Solutions

94 Solvers

Last Solution submitted on May 30, 2026

Last 200 Solutions

Solution Comments

Show comments

Problem Recent Solvers94

Chris Cleveland George Berken Riccardo G. 梓斌

Suggested Problems

More from this Author52

Problem Tags

Community Treasure Hunt

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

Start Hunting!