Problem 43546. Slope of the line passing through two points

Created by Stalin Samuel

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Determine the slope of a line passing through the points a=[x1 y1] and b=[x2 y2].

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Last Solution submitted on Apr 07, 2020

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Peng Liu on 13 Oct 2016

I strongly suggest you read the "What Makes a Good Problem?" section on http://www.mathworks.com/matlabcentral/anniversary/triathlon_guidelines. Please pay attention to the second guideline: It should have more than one test point.

goc3 on 30 Nov 2016

The problem title and description have been improved and the test suite expanded.

David Verrelli on 8 Jul 2018

Link from Peng Liu's comment has been down for several days. However the advice is still valid: Test Suites should include at least four test cases — although more are often necessary to prevent hard-coded workarounds.

David Verrelli on 27 Jun 2019

Thanks to goc3 for improving the Test Suite and fixing the other issues. Those people interested in developing their own test suites might like to try the series of problems starting with https://www.mathworks.com/matlabcentral/cody/problems/44631

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Problem 43546. Slope of the line passing through two points

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Problem 43546. Slope of the line passing through two points

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