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eigenfunction

[ahy-guh n-fuhngk-shuh n]
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noun Mathematics.
  1. a characteristic vector in a vector space in which the elements are functions.
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Origin of eigenfunction

1925–30; < German Eigenfunktion, equivalent to eigen- characteristic, particular + Funktion function
Also called proper function.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for eigenfunction

eigenfunction

noun
  1. maths physics a function satisfying a differential equation, esp an allowed function for a system in wave mechanics
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012