English Lexicon

Complexity analysis

/kəmˈplɛk.sə.ti əˈnæl.ɪ.sɪs/
nounCEFR C1 (Advanced)Top #14500 frequency
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2 senses
As noun
  1. 1

    The process of determining the amount of resources (such as time and storage) necessary to execute an algorithm.

    "Complexity analysis of the sorting algorithm revealed a quadratic time requirement for large datasets."
  2. 2

    A systematic study evaluating how the difficulty of a problem scales with the size of its input.

    "Before deploying the software, the engineering team performed a thorough complexity analysis to ensure scalability."

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Linguistic Origin & Historical Etymology

The term is a compound formed from 'complexity', derived from the Latin 'complexus' (surrounding, entwined) via French, and 'analysis', originating from the Ancient Greek 'análysis' (a breaking up or loosening). It emerged in computer science and mathematics during the mid-20th century alongside the formalization of algorithms and computational theory.

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