Lambda (noun)

  1. The eleventh letter of the Greek alphabet, Λ, λ.
  2. A Greek letter used in mathematics and science to represent various concepts, such as wavelength, eigenvalues and the von Neumann entropy.
  3. In computer science, the lambda function is a shorthand notation for anonymous functions.

Origin:

From greek λάμδα (lámda), from λαμβάνω (lambánō) "i take".

Examples:

  1. The wavelength of the light is measured in units of lambda.
  2. The lambda calculus is a formal system in mathematical logic for expressing computation based on function abstraction and application.
  3. The lambda function is a shorthand notation for anonymous functions in Python.
  4. In physics, the lambda point is the temperature and pressure at which liquid helium-4 undergoes a phase transition to a superfluid state.
  5. In statistics, the lambda parameter is used in the Poisson distribution to describe the rate at which events occur.
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