Problem 1462. Dots in a Sphere

Return how many integer grid points there are inside a 3D sphere of radius r centred at (0,0,0) (including points on the edge).

Neither string operations nor interpolations are allowed!

Solution Stats

62.5% Correct | 37.5% Incorrect
Last solution submitted on Apr 02, 2016


Discover MakerZone

MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn more

Discover what MATLAB® can do for your career.

Opportunities for recent engineering grads.

Apply Today

MATLAB Academy

New to MATLAB?

Learn MATLAB today!

Join the 15-year community celebration.

Play games and win prizes!

Learn more