#15605: (-1)^(2/3) evaluates to 1
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Reporter: mmezzarobba | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.1
Component: symbolics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Likely a duplicate, but I couldn't find it elsewhere...
{{{
sage: (-1)^(2/3)
1
}}}
Of course, this is inconsistent with virtually all interpretations and
conversions of symbolic expressions...
{{{
sage: CC(-1)^(2/3)
-0.500000000000000 + 0.866025403784439*I
sage: QQbar(-1)^(2/3)
-0.500000000000000? + 0.866025403784439?*I
sage: RR(-1)^(2/3)
-0.500000000000000 + 0.866025403784439*I
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/15605>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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