EIGENFUNCTION

Eigenfunction

In mathematics, an eigenfunction of a linear operator, A, defined on some function space, is any non-zero function f in that space that returns from the operator exactly as is, except for a multiplicative scaling factor. More precisely, one has

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eigenfunction

Noun

  1. A function <math>\phi</math> such that, for a given linear operator <math>D</math>, <math>D\phi=\lambda\phi</math> for some scalar <math>\lambda</math> (called an eigenvalue).


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