bn:01598355n
Noun Concept
Categories: Functional analysis
EN
eigenfunction  Eigen function  Eigenfunction expansion  eigenfunctions
EN
In mathematics, an eigenfunction of a linear operator D defined on some function space is any non-zero function f {\displaystyle f} in that space that, when acted upon by D, is only multiplied by some scaling factor called an eigenvalue. Wikipedia
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EN
In mathematics, an eigenfunction of a linear operator D defined on some function space is any non-zero function f {\displaystyle f} in that space that, when acted upon by D, is only multiplied by some scaling factor called an eigenvalue. Wikipedia
A function ϕ such that, for a given linear operator D , D ϕ = λ ϕ for some scalar λ (called an eigenvalue). Wiktionary
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