addenda and errata\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

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Metric properties of the root-mean-square deviation of vector sets. Erratum

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aDepartment of Biochemistry and Program in Proteomics and Bioinformatics, University of Toronto, Toronto, Ontario, Canada
*Correspondence e-mail: boris.steipe@utoronto.ca

(Received 2 July 2002; accepted 2 July 2002)

A technical error invalidates the proof that the optimal root-mean-square deviation of vector sets induces a metric given in Kaindl & Steipe [Acta Cryst. (1997[Kaindl, K. & Steipe, B. (1997). Acta Cryst. A53, 809.]), A53, 809]. Nevertheless, the conclusions are correct and a revised proof is given in Steipe [Acta Cryst. (2002[Steipe, B. (2002). Acta Cryst. A58, 506.]), A58, 506].

Acknowledgements

The author is indebted to Dr Xu Huafeng for pointing out the technical error in the previously published manuscript (Kaindl & Steipe, 1997[Kaindl, K. & Steipe, B. (1997). Acta Cryst. A53, 809.]).

References

First citationKaindl, K. & Steipe, B. (1997). Acta Cryst. A53, 809.  CrossRef Web of Science IUCr Journals Google Scholar
First citationSteipe, B. (2002). Acta Cryst. A58, 506.  Web of Science CrossRef IUCr Journals Google Scholar

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