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单词 MultiplicityOfEigenvalue
释义

multiplicity of eigenvalue


Suppose V is a finite dimensional vector spaceMathworldPlanetmath over a field 𝔽,and suppose L:VV is a linear map.Suppose also that λ𝔽 is aneigenvalueMathworldPlanetmathPlanetmathPlanetmathPlanetmath of L, that is, det(L-λI)=0.

The algebraic multiplicity,denoted by Aλ(L), of λis the multiplicity of the root λ to the polynomialdet(L-λI)=0.The geometric multiplicity of λ, denoted byGλ(L), is thedimensionPlanetmathPlanetmath of ker(L-λI), the eigenspaceMathworldPlanetmath of λ.

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更新时间:2025/5/4 7:05:19