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math.NA2018
A Backward Stable Algorithm for Computing the CS Decomposition via the Polar Decomposition
Evan S. Gawlik, Yuji Nakatsukasa, Brian D. Sutton
We introduce a backward stable algorithm for computing the CS decomposition of a partitioned matrix with orthonormal columns, or a rank-deficient partial isometry. Th…
math.NA2007★ 1 cited
Computing the complete CS decomposition
Brian D. Sutton
An algorithm is developed to compute the complete CS decomposition (CSD) of a partitioned unitary matrix. Although the existence of the CSD has been recognized since 1977, prior al…