Count the ones in a divisibility matrix - MATLAB Cody - MATLAB Central

Problem 59511. Count the ones in a divisibility matrix

Difficulty:
(3)
Rate
Cody Problem 59506 asked solvers to compute the determinant of matrix consisting of ones in the first column and anywhere the row index divides the column index.
Write a function to count the ones in the matrix. For example, the 4x4 matrix given in the description of Cody Problem 59506 has 11 ones, and the 1000x1000 matrix has 8068.
Solve

Solution Stats

100.0% Correct | 0.0% Incorrect
Last Solution submitted on Jan 02, 2024

Solution Comments

Show comments
Registration Now Open for MathWorks AUTOMOTIVE CONFERENCE 2025
...
Hello Community, We're excited to announce that registration is now open for the...

Problem Recent Solvers3

Suggested Problems

More from this Author298

Problem Tags

divisor redheffer sum

Community Treasure Hunt

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

Start Hunting!
Go to top of page