Problem 2100. distance to a straight line (2D) given any 2 distinct points on this straight line

Created by Marcel

Solve Later

Given 2 points P1,P2 on a straight line and a 3rd point, determine the distance of the 3rd point to the straight line. Your answer should have an accuracy of 1e-6.

Hint: create a parameter representation of the (very...) long line.

Solve

Solution Stats

110 Solutions
53 Solvers

Last Solution submitted on Oct 22, 2025

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Marcel on 15 Jan 2014

Dear all, it seems that I've made mistake with the usage of roundn and secondly roundn is behaving strangely: roundn(sqrt(2)*0.5,6) results in: 7.071069999999999e-01

I will modify the testcases.

Marcel on 15 Jan 2014

And of course my apologies for any headaches that my mistake may have caused.

Solution Comments

Show comments

Problem Recent Solvers53

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 2100. distance to a straight line (2D) given any 2 distinct points on this straight line

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers53

Suggested Problems

More from this Author10

Problem Tags

Community Treasure Hunt

Problem 2100. distance to a straight line (2D) given any 2 distinct points on this straight line

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers53

Suggested Problems

More from this Author10

Problem Tags

Community Treasure Hunt

Players