Abstract
The construction of elementary unitary matrices that transform a complex vector to a multiple of e1, the first column of the identity matrix, is studied. We present four variants and their software implementation, including a discussion on the LAPACK subroutine CLARFG. Comparisons are also given.
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APA
Lehoucq, R. B. (1996). The Computation of Elementary Unitary Matrices. ACM Transactions on Mathematical Software, 22(4), 393–400. https://doi.org/10.1145/235815.235817
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