Comment #4 on issue 1468 by smichr: problems with quartic root solver
http://code.google.com/p/sympy/issues/detail?id=1468
There is a sign error in the original routine. The definitions of A and B
should be
A = (u-v)/4
B = (u+v)/4
/c
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Comment #14 on issue 1490 by ryanlists: LatexPrinter doprint inline=None
http://code.google.com/p/sympy/issues/detail?id=1490
OK, I think I have this fixed and the corresponding changes made to the
tests. The
result is now in my latex_mode branch.
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Comment #5 on issue 1468 by smichr: problems with quartic root solver
http://code.google.com/p/sympy/issues/detail?id=1468
There is a sign error in the original routine when there are not 4 real
roots. The
definitions of A and B when there are 2 or 4 complex roots should be
A = (u-v)/4
B = (u
Updates:
Labels: Milestone-Release0.6.6
Comment #8 on issue 1473 by fab...@fseoane.net: __mod__ does not work on
reals
http://code.google.com/p/sympy/issues/detail?id=1473
I encountered this bug while doing complex exponentials:
In [1]: oo % 2
-
Comment #9 on issue 1473 by fab...@fseoane.net: __mod__ does not work on
reals
http://code.google.com/p/sympy/issues/detail?id=1473
this las thing can be easily fixed implementing __mod__ in Inifnity:
diff --git a/sympy/core/numbers.py b/sympy/core/numbers.py
index 11a2b72..59e86e5 100644
---
Status: Accepted
Owner: hazelnusse
Labels: Type-Defect Priority-Medium
New issue 1540 by hazelnusse: match returns nan instead of 0
http://code.google.com/p/sympy/issues/detail?id=1540
Python 2.6.2 console for SymPy 0.6.5.rc2-git
In [1]: from sympy import I, oo, Wild, pi
In [2]: arg = I*oo
In
Comment #1 on issue 1540 by hazelnusse: match returns nan instead of 0
http://code.google.com/p/sympy/issues/detail?id=1540
I traced it to this point:
sympy/core/operations.py:139
d2 = pattern.matches(expr, d1, evaluate=True)
In this example:
pattern == a + b*pi
expr == (oo)*I
d1 == {a_: (oo)*
Comment #7 on issue 1467 by ted.ho...@earthlink.net: sorting values with
imaginary numbers in radical
http://code.google.com/p/sympy/issues/detail?id=1467
OK, here is a patch for Inequality and StrictInequality with some tests. I
think this takes care of the symptom,
but there are still som
Comment #8 on issue 1467 by ted.ho...@earthlink.net: sorting values with
imaginary numbers in radical
http://code.google.com/p/sympy/issues/detail?id=1467
Oops, here is the actual patch...
Attachments:
1467g.patch 2.9 KB
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Updates:
Labels: -NeedsBetterPatch NeedsReview
Comment #9 on issue 1467 by ondrej.certik: sorting values with imaginary
numbers in radical
http://code.google.com/p/sympy/issues/detail?id=1467
(No comment was entered for this change.)
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Comment #2 on issue 1356 by Toon.Verstraelen: evalf(), sstr(), pretty(),
latex(), ... should raise an exception if passed wrong kwarg
http://code.google.com/p/sympy/issues/detail?id=1356
I'll take care of the printers.
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Comment #9 on issue 1491 by Toon.Verstraelen: generalize mainvar in
LatexPrinter
http://code.google.com/p/sympy/issues/detail?id=1491
Ordering in _print_Add should not only be a part of the LatexPrinter. Can't
we do
this in the Printer base class? One could implemented an iterator method
l
Updates:
Status: Fixed
Comment #18 on issue 1463 by Toon.Verstraelen: Initial codegen
implementation
http://code.google.com/p/sympy/issues/detail?id=1463
(No comment was entered for this change.)
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Comment #15 on issue 1490 by Toon.Verstraelen: LatexPrinter doprint
inline=None
http://code.google.com/p/sympy/issues/detail?id=1490
I'd go for option 2, if there are (other) tests for all possible modes.
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Comment #16 on issue 1490 by Toon.Verstraelen: LatexPrinter doprint
inline=None
http://code.google.com/p/sympy/issues/detail?id=1490
All tests pass, also after a 'git rebase master'.
Could you update the tutorial with the attached patch? (For some reason the
documentation is no longer tested
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