Eigenvector definition

īgən-vĕktər
Frequency:
A vector whose direction is unchanged by a given transformation and whose magnitude is changed by a factor corresponding to that vector's eigenvalue. In quantum mechanics, the transformations involved are operators corresponding to a physical system's observables. The eigenvectors correspond to possible states of the system, and the eigenvalues to possible observed values.
noun
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Other Word Forms

Noun

Singular:
eigenvector
Plural:
eigenvectors

Origin of eigenvector

  • Partial translation of German Eigenvektor eigen- characteristic eigenvalue Vektor vector

    From American Heritage Dictionary of the English Language, 5th Edition