Lesson plan

Complexity function

In computer science, the complexity function of a word or string (a finite or infinite sequence of symbols from some alphabet) is the function that counts the number of distinct factors (substrings of consecutive symbols) of that string. More generally, the complexity function of a formal language (a set of finite strings) counts the number of distinct words of given length.

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Article summary

In computer science, the complexity function of a word or string (a finite or infinite sequence of symbols from some alphabet) is the function that counts the number of distinct factors (substrings of consecutive symbols) of that string. More generally, the complexity function of a formal language (a set of finite strings) counts the number of distinct words of given length.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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