Problem 554. Is the Point in a Circle?

Created by Kuifeng

Solve Later

Check whether a point or multiple points is/are in a circle centered at point (x0, y0) with radius r.

 Points = [x, y]; 
 circle = (x0, y0, r)

Return true or false for each point tested

Solve

Solution Stats

2859 Solutions
623 Solvers

Last Solution submitted on Dec 01, 2025

Last 200 Solutions

Problem Comments

8 Comments

8 Comments

Show 5 older comments

Stefan on 3 Apr 2012

error in the test:

assert(isequal(your_fcn_name(x),y_correct))
Error: Undefined function or variable 'x'.

Should be:

assert(isequal(your_fcn_name(Points,circle),y_correct))

Ned Gulley on 3 Apr 2012

I went ahead and fixed the calling syntax on that.

Kuifeng on 4 Apr 2012

Thanks for the corrections!

Abdelhak ARESMOUK on 5 Dec 2012

You should correct the first test!

Li Ding on 22 Oct 2017

The first test case is wrong.

Rafael Hernandez-Walls on 20 Nov 2017

The first test case is wrong, is FALSE

Jeremy Perez on 16 Sep 2020

Is the Point on a Disk?
Is the Point inside a Circle?

Ignacio Davila on 18 Oct 2022

The first test is still wrong! It has not been corrected.

Solution Comments

Show comments

Problem Recent Solvers623

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 554. Is the Point in a Circle?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers623

Suggested Problems

More from this Author1

Problem Tags

Community Treasure Hunt

Problem 554. Is the Point in a Circle?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers623

Suggested Problems

More from this Author1

Problem Tags

Community Treasure Hunt

Players