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power law

 

Definitions from WordNet

Noun power law has 1 sense
  1. Stevens' law, power law, Stevens' power law - (psychophysics) the concept that the magnitude of a subjective sensation increases proportional to a power of the stimulus intensity
    --1 is a kind of law, law of nature

Definitions from the Web

Power Law

Definition:

The power law is a statistical relationship between two quantities, where a change in one quantity results in a proportional change in the other quantity. It is often represented by a mathematical function in the form of y = kx^c, where y and x are the two quantities, k is a constant, and c is the exponent that governs the relationship between the quantities.

Examples:

  • Many natural phenomena, such as earthquakes and population sizes of cities, can be described using power laws.
  • In economics, the power law is frequently used to analyze the distribution of wealth in a society.

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