eigenvalue

[ahy-guh n-val-yoo]

noun Mathematics.

characteristic root.

Origin of eigenvalue

1925–30; partial translation of German Eigenwert, equivalent to eigen- characteristic, particular + Wert value

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British Dictionary definitions for eigenvalue

eigenvalue

noun

maths physics one of the particular values of a certain parameter for which a differential equation or matrix equation has an eigenfunction. In wave mechanics an eigenvalue is equivalent to the energy of a quantum state of a system

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