Problem 139. Determine if a Given Number is a Triangle Number

Description:

Determine if the elements of an input array are triangle numbers and return the result as an array with the same dimensions as the input.

Example:

    Input  = [ 1 2 3 ];
    Output = [ 1 0 1 ];
Solve

Solution Stats

36.73% Correct | 63.27% Incorrect
Last Solution submitted on Jan 02, 2026

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers394

Suggested Problems

More from this Author56

Problem Tags

triangle numbers

Community Treasure Hunt

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

Start Hunting!