Cody

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

Solution 2254496

Submitted on 4 May 2020 by Temi
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test Status Code Input and Output
1   Pass
x = 1:100; y_correct = false(1,100); y_correct([1 3 6 10 15 21 28 36 45 55 66 78 91]) = true; assert(isequal(isTriangleNumber(x),y_correct))

2   Pass
x = 1; y_correct = true; assert(isequal(isTriangleNumber(x),y_correct))

3   Pass
x = [4912734125;4912734126]; y_correct = [false;true]; assert(isequal(isTriangleNumber(x),y_correct))

Suggested Problems

More from this Author56

Community Treasure Hunt

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

Start Hunting!