n. The change in magnitude of a vector that does not change in direction under a given linear transformation; a scalar factor by which an eigenvector is multiplied under such a transformation.
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n. (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant
Word Usage
"I'm afraid we will never know as the eigenvalue of Monckton's complex number is imaginary, also known as 'Lord'."