Alan L. Andrew, Roger C. E. Tan. Computation of Derivatives of Repeated Eigenvalues and the Corresponding Eigenvectors of Symmetric Matrix Pencils. SIAM J. Matrix Analysis Applications, 20(1):78-100, 1998. [doi]
@article{AndrewT98,
title = {Computation of Derivatives of Repeated Eigenvalues and the Corresponding Eigenvectors of Symmetric Matrix Pencils},
author = {Alan L. Andrew and Roger C. E. Tan},
year = {1998},
doi = {10.1137/S0895479896304332},
url = {http://dx.doi.org/10.1137/S0895479896304332},
researchr = {https://researchr.org/publication/AndrewT98},
cites = {0},
citedby = {0},
journal = {SIAM J. Matrix Analysis Applications},
volume = {20},
number = {1},
pages = {78-100},
}