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eigenvalue

[ahy-guh n-val-yoo]
noun Mathematics.
  1. characteristic root.
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Origin of eigenvalue

1925–30; partial translation of German Eigenwert, equivalent to eigen- characteristic, particular + Wert value
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for eigenvalue

eigenvalue

noun
  1. 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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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