Comment #2 on issue 1566 by asmeurer: Allow Integral to be evaluated at
only an upper limit
http://code.google.com/p/sympy/issues/detail?id=1566
I forgot to modify _eval_subs to work with None upper or lower limits. I
fixed it on my branch, commit
083634e.
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Comment #3 on issue 1558 by smichr: NumberSymbol not recognized as a filter
for atoms() and I has only type Atom
http://code.google.com/p/sympy/issues/detail?id=1558
Neither I nor zoo derive from NumberSymbol, they derive from Atom. If you
make I
derive from NumberSymbo, then tests
Comment #3 on issue 1566 by andy.terrel: Allow Integral to be evaluated at
only an upper limit
http://code.google.com/p/sympy/issues/detail?id=1566
I think the idea with the piecewise would be to find the expr that the eval
point is
in, then call this function on that expr.
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Comment #11 on issue 1467 by smichr: sorting values with imaginary numbers
in radical
http://code.google.com/p/sympy/issues/detail?id=1467
Ted, regarding the underlying issues:
I.is_comparable is False because I derives from Atom, not NumberSymbol. If
you change
it to be comparable then
Status: Accepted
Owner: Vinzent.Steinberg
CC: fab...@fseoane.net
Labels: Type-Defect Priority-Medium Assumptions EasyToFix
Milestone-Release0.6.5
New issue 1580 by Vinzent.Steinberg: Assume(0 x) should repr() to
Assume(0 x, 'relational', True)
Comment #4 on issue 1338 by asmeurer: assert poly is not None in solve
http://code.google.com/p/sympy/issues/detail?id=1338
By the way, changing it to NotImplementedError doesn't cause any tests to
fail.
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Status: Accepted
Owner:
Labels: Type-Defect Priority-Medium
New issue 1581 by ondrej.certik: subs(dict()) sometimes breaks
http://code.google.com/p/sympy/issues/detail?id=1581
In [1]: N = 3
In [2]: (1 + x).subs(dict(N=3))
ERROR: An unexpected error occurred while tokenizing input
The
Updates:
Status: Fixed
Comment #4 on issue 1552 by asmeurer: documentation; Gotchas and Pitfalls
http://code.google.com/p/sympy/issues/detail?id=1552
(No comment was entered for this change.)
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Comment #1 on issue 1581 by gabrielgellner: subs(dict()) sometimes breaks
http://code.google.com/p/sympy/issues/detail?id=1581
To clarify the example
In[1]: N = sympy.Symbol('N')
In[2]: (1 + N).subs(dict(N=3))
causes the above error but
In[3]: (1 + N).subs({N: 3})
works.
whereas the
