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extend conversion from SR to growth groups: allow inverses #19429

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dkrenn opened this issue Oct 17, 2015 · 0 comments
Open

extend conversion from SR to growth groups: allow inverses #19429

dkrenn opened this issue Oct 17, 2015 · 0 comments
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c: asymptotic expansions p: major / 3 t: bug

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@dkrenn
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dkrenn commented Oct 17, 2015 

sage: from sage.rings.asymptotic.growth_group import GrowthGroup
sage: GrowthGroup('QQ^x')(1/2^x)

gives

ValueError: 1/(2^x) is not in Growth Group QQ^x.

Allow this conversion.

CC: @cheuberg @behackl

Component: asymptotic expansions

Issue created by migration from https://trac.sagemath.org/ticket/19429
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@mkoeppe @dkrenn