Abstract
This paper provides a description of block 2 × 2 Hermitian positive-definite matrices that are optimally conditioned with respect to block diagonal similarity transformations. Bibliography: 7 titles.
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Kolotilina, L.Y. Optimally Conditioned Block 2 × 2 Matrices. Journal of Mathematical Sciences 114, 1794–1802 (2003). https://doi.org/10.1023/A:1022402502491
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DOI: https://doi.org/10.1023/A:1022402502491