An eigenvalue or characteristic value lor latent root) of a given Il X n matrix A =
Chapter 20, Problem 20.1.98(choose chapter or problem)
If we take equal factors together and denote the numerically distinct eigenvalues of A by
\(\lambda_{1}, \cdots, \lambda_{r}(r \leqq n)\), then the product becomes
\(f(\lambda)=(-1)^{n}\left(\lambda-\lambda_{1}\right)^{m_{1}}\left(\lambda-\lambda_{2}\right)^{m_{2}} \cdots\left(\lambda-\lambda_{r}\right)^{m_{r}}\).
The exponent \(m_{j}\) is called the algebraic multiplicity of \(\lambda_{j}\). The maximum number of linearly independent eigenvectors corresponding to \(\lambda_{j}\); is called the geometric multiplicity of \(\lambda_{j}\). It is equal to or smaller than \(m_{j}\).
Text Transcription:
f(lambda)=(-a)^n(lambda-lambda_1)^m1(lambda-lambda_2)^m2…(lambda-lambda_r)^mr
lambda_1,...,lambda_r(r leqq n)
m_j
lambda_j
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