English Lexicon

Complexity analysis

/kəmˈplɛk.sə.ti əˈnæl.ə.sɪs/
nounCEFR C1 (Advanced)Top #8500 frequency
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Comprehensive Definitions & Senses

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 combines 'complexity', originating from Latin 'complexus' (surrounded, entwined) via French, and 'analysis', from Ancient Greek 'analysis' (a loosening or breaking up). It emerged in the mid-20th century with the rise of computer science and theoretical mathematics to formally measure computational resource consumption.

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