Conjugate Gradient Algorithm for Optimization under Unitary Matrix Constraint

Conjugate Gradient Algorithm for Optimization under Unitary Matrix Constraint

In this paper we introduce a Riemannian algorithm for minimizing (or maximizing) a real-valued function J of complex-valued matrix argument W under the constraint that W is an n×n unitary matrix. This type of constrained optimization problem arises in many array and multi-channel signal processing a...

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Bibliographic Details
Main Authors:	Abrudan, T, Eriksson, J, Koivunen, V
Format:	Journal article
Published:	2015

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