Parallelizing the QR algorithm for the unsymmetric algebraic eigenvalue problem: myths and reality
SIAM Journal on Scientific Computing
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Parallel Implementation of the Nonsymmetric QR Algorithm forDistributed Memory Architectures
Parallel Implementation of the Nonsymmetric QR Algorithm forDistributed Memory Architectures
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We investigate the parallel performance of numerical algorithms for solving stable Stein equations arising in discrete-time control problems. Our methods are based on the Smith iteration and the matrix sign function. We report experimental results of these algorithms on a cluster of Intel processors.