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2016 A Note on the vec Operator Applied to Unbalanced Block-Structured Matrices
Hal Caswell, Silke F. van Daalen
J. Appl. Math. 2016: 1-3 (2016). DOI: 10.1155/2016/4590817

Abstract

The vec operator transforms a matrix to a column vector by stacking each column on top of the next. It is useful to write the vec of a block-structured matrix in terms of the vec operator applied to each of its component blocks. We derive a simple formula for doing so, which applies regardless of whether the blocks are of the same or of different sizes.

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Hal Caswell. Silke F. van Daalen. "A Note on the vec Operator Applied to Unbalanced Block-Structured Matrices." J. Appl. Math. 2016 1 - 3, 2016. https://doi.org/10.1155/2016/4590817

Information

Received: 25 July 2016; Accepted: 3 October 2016; Published: 2016
First available in Project Euclid: 17 December 2016

zbMATH: 07037276
MathSciNet: MR3574270
Digital Object Identifier: 10.1155/2016/4590817

Rights: Copyright © 2016 Hindawi

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