#20185: Upgrade to SymPy-1.0
-------------------------------------+-------------------------------------
Reporter: rws | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-7.1
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | 907bedc76d3289455a701051d1af6c1be64135b1
u/rws/upgrade_to_sympy_1_0 | Stopgaps:
Dependencies: |
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Comment (by rws):
> {{{
> sage -t --warn-long 27.2 src/sage/tests/french_book/recequadiff.py # 2
doctests failed
> }}}
This can be minimized to
{{{
sage: import sympy
sage: u = sympy.Function('u'); n = sympy.Symbol('n', integer=True)
sage: sympy.sympify(3*u(n), evaluate=False)
NotImplementedError: SymPy function 'u' doesn't exist
}}}
which disappears when `3*u(n)` is changed to `u(n)*3` or `u(n)`
--
Ticket URL: <http://trac.sagemath.org/ticket/20185#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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