On the computation of the Cauchy index

Brian Anderson

On the computation of the Cauchy index

Brian Anderson

School of Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The Cauchy index of a real rational function can be computed by evaluat- ing the signature of a certain Hankel matrix. Alternative procedures for its computation are presented here, one of which offers greater computational simplicity.

Original language	English
Pages (from-to)	577-582
Journal	Quarterly of Applied Mathematics
Publication status	Published - Jan 1972

Cite this

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title = "On the computation of the Cauchy index",

abstract = "The Cauchy index of a real rational function can be computed by evaluat- ing the signature of a certain Hankel matrix. Alternative procedures for its computation are presented here, one of which offers greater computational simplicity.",

author = "Brian Anderson",

year = "1972",

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journal = "Quarterly of Applied Mathematics",

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publisher = "American Mathematical Society",

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SN - 0033-569X

SP - 577

EP - 582

JO - Quarterly of Applied Mathematics

JF - Quarterly of Applied Mathematics

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On the computation of the Cauchy index

Abstract

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