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characteristic root

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noun Mathematics.
  1. a scalar for which there exists a nonzero vector such that the scalar times the vector equals the value of the vector under a given linear transformation on a vector space.
  2. a root of the characteristic equation of a given matrix.

Origin of characteristic root

First recorded in 1955–60
Also called characteristic value, eigenvalue, latent root, proper value.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018