Comment #6 on issue 2022 by smichr: inconsistent behaviour of subs when
using non-commutative symbols
http://code.google.com/p/sympy/issues/detail?id=2022
OK, there is a beta commit available for testing on my t2 branch at
github/smichr. extrat_multiplicatively and Mul.subs are now more nc
Status: Accepted
Owner: smichr
Labels: Type-Defect Priority-Medium
New issue 2034 by smichr: live.sympy doesn't allow reassignment of list
subitem
http://code.google.com/p/sympy/issues/detail?id=2034
I'm using sympy for a school math club and things are going great so far.
I've noticed a fe
Issue 1923: count_ops doesn't return a count (by default)
http://code.google.com/p/sympy/issues/detail?id=1923
This issue is no longer blocking issue 1694.
See http://code.google.com/p/sympy/issues/detail?id=1694
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Blockedon: -1923
Comment #133 on issue 1694 by nicolas.pourcelot: solve has many issues with
fractions
http://code.google.com/p/sympy/issues/detail?id=1694
This is final patch.
I included Chris work on issue 1923, as he suggested.
Please review.
Attachments:
0001-16
Comment #20 on issue 1923 by nicolas.pourcelot: count_ops doesn't return a
count (by default)
http://code.google.com/p/sympy/issues/detail?id=1923
I proposed a global patch in my last comment for issue 1694.
Have you some time to review it ?
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Comment #21 on issue 1923 by smichr: count_ops doesn't return a count (by
default)
http://code.google.com/p/sympy/issues/detail?id=1923
I'd be happy to put the pieces together under branch 1694. Having looked
back at comment 11 (after seeing your other work) I now understand what you
were
Comment #11 on issue 1365 by nicolas.pourcelot: improve solve
http://code.google.com/p/sympy/issues/detail?id=1365
Proposed patch for issue 1694 makes solve() use sets internally.
For now, sets are converted into lists before solutions are returned, so as
to not broke existing regression test
Comment #22 on issue 1923 by smichr: count_ops doesn't return a count (by
default)
http://code.google.com/p/sympy/issues/detail?id=1923
I can review it.
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Comment #23 on issue 1923 by nicolas.pourcelot: count_ops doesn't return a
count (by default)
http://code.google.com/p/sympy/issues/detail?id=1923
Thanks a lot Chris.
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Issue 1694: solve has many issues with fractions
http://code.google.com/p/sympy/issues/detail?id=1694
This issue is now blocking issue 1365.
See http://code.google.com/p/sympy/issues/detail?id=1365
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Updates:
Blockedon: 1694 1968
Comment #12 on issue 1365 by nicolas.pourcelot: improve solve
http://code.google.com/p/sympy/issues/detail?id=1365
Concerning first equation, once issue 1694 patch is applied, I obtain the
following:
solve((1 - x)**2*exp(a*x), x)
[1, -oo/a]
Issue 1968
Issue 1968: solve should not return infinities nor nan
http://code.google.com/p/sympy/issues/detail?id=1968
This issue is now blocking issue 1365.
See http://code.google.com/p/sympy/issues/detail?id=1365
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Comment #3 on issue 1364 by nicolas.pourcelot: simple equations involving
log()
http://code.google.com/p/sympy/issues/detail?id=1364
Issue 1694 patch fixes last one.
solve(-a*x + 2*x*log(x), x)
[exp(a/2), 0]
But tsolve() needs to be improved to solve others.
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Comment #4 on issue 1364 by asmeurer: simple equations involving log()
http://code.google.com/p/sympy/issues/detail?id=1364
(No comment was entered for this change.)
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Issue 1694: solve has many issues with fractions
http://code.google.com/p/sympy/issues/detail?id=1694
This issue is now blocking issue 1364.
See http://code.google.com/p/sympy/issues/detail?id=1364
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Comment #7 on issue 763 by asmeurer: print_mathml(Integral(x**2, x)) fails
http://code.google.com/p/sympy/issues/detail?id=763
Issue 1311 has been merged into this issue.
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Updates:
Status: Duplicate
Mergedinto: 763
Comment #3 on issue 1311 by asmeurer: Integrals break print_mathml
http://code.google.com/p/sympy/issues/detail?id=1311
Thanks for reporting this!
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Comment #5 on issue 2032 by smichr: Ability to work with K[x, 1/x] in Polys
http://code.google.com/p/sympy/issues/detail?id=2032
I don't know if the ideas I was working on for separating a rational into a
series of terms would help or not. It looks something like this:
Here's the full origin
Comment #1 on issue 2033 by smichr: solve should be able to handle rational
function systems
http://code.google.com/p/sympy/issues/detail?id=2033
This is a direction I would go:
def ssolve(eqs, syms):
'''Rather than trying to solve all equations at once as a linear
system, solve them
Comment #29 on issue 1646 by ronan.l...@gmail.com: Solving inequalities
http://code.google.com/p/sympy/issues/detail?id=1646
There's recently been another discussion of this in python-ideas:
http://mail.python.org/pipermail/python-ideas/2010-July/007733.html
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Status: Accepted
Owner: smichr
Labels: Type-Defect Priority-High
New issue 2035 by smichr: doctest puzzle
http://code.google.com/p/sympy/issues/detail?id=2035
I was reviewing 1923/1694 and can't figure out why the code samples in a
doctest are not being run. Here is the docstring from
core/f
Comment #1 on issue 2035 by smichr: doctest puzzle
http://code.google.com/p/sympy/issues/detail?id=2035
The code with this docstring is in 1694_review at github/smichr
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Comment #134 on issue 1694 by smichr: solve has many issues with fractions
http://code.google.com/p/sympy/issues/detail?id=1694
Nicolas, this is going to take a little time. I will try to do it this
evening. I have everything patched together (I had to do a little by hand)
at branch
1694_f
Comment #135 on issue 1694 by nicolas.pourcelot: solve has many issues with
fractions
http://code.google.com/p/sympy/issues/detail?id=1694
"I will try to do it this evening."
Ok, thanks.
I'm leaving in a few hours, and I probably won't have Internet access for a
week, so don't expect me to
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