[ahy-guh n-fuhngk-shuh n]
a characteristic vector in a vector space in which the elements are functions.
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. 2019
maths physics a function satisfying a differential equation, esp an allowed function for a system in wave mechanics
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