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Distributed Estimation of All the Eigenvalues and Eigenvectors of Matrices Associated With Strongly Connected Digraphs

Journal Article · · IEEE Control Systems Letters
 [1];  [2]
  1. Univ. of Central Florida, Orlando, FL (United States); University of Central Florida
  2. Univ. of Central Florida, Orlando, FL (United States)

This letter considers the problem of estimating all the eigenvalues and eigenvectors of an irreducible matrix, corresponding to a strongly connected digraph, in the absence of knowledge on the global network topology. To this end, in this work we propose a unified distributed strategy performed by each node in the network and relies only on the local information. The key idea is to transform the nonlinear problem of computing both the eigenvalues and eigenvectors of an irreducible matrix into a linear one. Specifically, we first transform distributively the irreducible matrix into a nonsingular irreducible matrix. Each node in the network then estimates in a distributed fashion the inverse of the nonsingular matrix by solving a set of linear equations based on a consensus-type algorithm. The eigenvalues and the corresponding eigenvectors are finally computed by exploiting the relations between the eigenvalues and eigenvectors of both the inverse and the original irreducible matrices. A numerical example is provided to demonstrate the effectiveness of the proposed distributed strategy.

Research Organization:
Univ. of Central Florida, Orlando, FL (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOT; National Science Foundation (NSF); L-3 Communication; Leidos
Grant/Contract Number:
EE0007998; EE0006340; EE0007327
OSTI ID:
1820235
Journal Information:
IEEE Control Systems Letters, Journal Name: IEEE Control Systems Letters Journal Issue: 2 Vol. 1; ISSN 2475-1456
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

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Distributed Optimization, Averaging via ADMM, and Network Topology journal November 2020
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