Difference between revisions of "Casework"

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'''Casework''' is solving [[counting]] or [[probability]] problems by considering the different cases and adding them together. While casework is sometimes the most elegant method of solution, it may be considered [[brute force]] when a more elegant solution exists.
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'''Casework''' is a [[counting]] approach that breaks a problem into two or more subproblems (the cases) and adding the result from each case together. While casework is sometimes the most elegant method of solution, it may be considered [[brute force]] when a more elegant solution exists.
  
 
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== Videos ==
==Video Introduction==
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* [https://youtu.be/Zhsb5lv6jCI Casework,Complementary Counting,and OverCounting(PIE)] by Sohil Rathi
 
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* [https://artofproblemsolving.com/videos/counting/chapter2/186 AoPS Casework Counting Part 1]
This is a great video for learning the basics of casework, complementary counting, and overcounting:
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* [https://artofproblemsolving.com/videos/counting/chapter2/187 AoPS Casework Counting Part 2]
https://youtu.be/Zhsb5lv6jCI
 
  
 
== Example Problems and Solutions ==
 
== Example Problems and Solutions ==

Revision as of 02:30, 4 October 2020

Casework is a counting approach that breaks a problem into two or more subproblems (the cases) and adding the result from each case together. While casework is sometimes the most elegant method of solution, it may be considered brute force when a more elegant solution exists.

Videos

Example Problems and Solutions

Introductory

Intermediate

See also

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