@tomcuchta @evelynjlamb a root and pole very close together is a 'Froissart doublet': https://goo.gl/i4yPGE
@tomcuchta @evelynjlamb could be 10^-1007 separation. Arises in the context of Padé approximants.
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@tomcuchta @evelynjlamb could be 10^-1007 separation. Arises in the context of Padé approximants.