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|Title:||Computation of derivatives of repeated eigenvalues and the corresponding eigenvectors of symmetric matrix pencils|
Eigenvalue and eigenvector sensitivities
|Source:||Andrew, A.L.,Tan, R.C.E. (1998-09). Computation of derivatives of repeated eigenvalues and the corresponding eigenvectors of symmetric matrix pencils. SIAM Journal on Matrix Analysis and Applications 20 (1) : 78-100. ScholarBank@NUS Repository.|
|Abstract:||This paper presents and analyzes new algorithms for computing the numerical values of derivatives, of arbitrary order, and of eigenvalues and eigenvectors of Α(ρ)×(ρ) = λ(ρ)Β(ρ)×(ρ) at a point ρ = ρ0 at which the eigenvalues considered are multiple. Here Α(ρ) and Β(ρ) are hermitian matrices which depend analytically on a single real variable ρ, and Β(ρ0) is positive definite. The algorithms are valid under more general conditions than previous algorithms. Numerical results support the theoretical analysis and show that the algorithms are also useful when eigenvalues are merely very close rather than coincident.|
|Source Title:||SIAM Journal on Matrix Analysis and Applications|
|Appears in Collections:||Staff Publications|
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