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

Created by Marcel
Appears in Indexing III

Difficulty:Rate

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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.

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102 Solutions
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Last Solution submitted on Nov 22, 2023

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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.

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