Erratum: Robust linear coupling correction with N-turn maps [Phys. Rev. ST Accel. Beams 6, 062801 (2003)]

This erratum discusses the problem of small denominators in Eqs. ( 8) and ( 9) in the original paper [1], where it was not treated correctly.The change in this discussion should not have any implications for other parts of the paper.The text from after Eq. ( 6) until after Eq. ( 11) should be replaced with the following:The underlined matrices denote one-turn maps in the eigenbasis.The matrix G and its inverse G ÿ1 can be expressed as [2] [1] W. Fischer, Phys.Rev.

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