Issue 1471 in sympy: integrate(1/(x**3+1),(x,0,oo)) return an expression with x

Comment #3 on issue 1471 by ondrej.certik: integrate(1/(x**3+1),(x,0,oo)) return an expression with x http://code.google.com/p/sympy/issues/detail?id=1471 I applied the following patch: diff --git a/sympy/series/limits.py b/sympy/series/limits.py index 5e3c4f0..b53b18f 100644 ---

Issue 1471 in sympy: integrate(1/(x**3+1),(x,0,oo)) return an expression with x

Comment #4 on issue 1471 by ondrej.certik: integrate(1/(x**3+1),(x,0,oo)) return an expression with x http://code.google.com/p/sympy/issues/detail?id=1471 The result of the above integration is then: In [1]: integrate(1/(x**3+1),(x,0,oo)) Out[1]: ⎽⎽⎽ 2⋅π⋅╲╱ 3 ─ 9 a test

Issue 1463 in sympy: Initial codegen implementation

Updates: Owner: --- Labels: -Milestone-Release0.6.5 -NeedsReview Comment #17 on issue 1463 by ondrej.certik: Initial codegen implementation http://code.google.com/p/sympy/issues/detail?id=1463 The patches look good now, I tested both on 64 and 32 bits, tests pass so, I pushed

Issue 1475 in sympy: New implementation of .eval in trigonometric functions, implementing sec, csc

Updates: Labels: -NeedsReview Comment #1 on issue 1475 by ondrej.certik: New implementation of .eval in trigonometric functions, implementing sec, csc http://code.google.com/p/sympy/issues/detail?id=1475 Hi Luke thanks for working on this! The right command to switch to the branch is

Issue 1474 in sympy: Subs broken on sub classes of Symbol using sympy 0.6.4 on linux

Comment #1 on issue 1474 by ondrej.certik: Subs broken on sub classes of Symbol using sympy 0.6.4 on linux http://code.google.com/p/sympy/issues/detail?id=1474 It's because use use .subs('B', 'X'), what happens is that sympify() gets called and sympify doesn't know about your Mysymbol, so

Issue 1337 in sympy: find all instances in an expression

Comment #7 on issue 1337 by ondrej.certik: find all instances in an expression http://code.google.com/p/sympy/issues/detail?id=1337 Yes, let's get this in, this would be very useful to sympy. Congrats to your finals!! So now you have lots of time to work on sympy and mpmath, that is

Issue 1438 in sympy: bug in intersection: segment - segment

Comment #5 on issue 1438 by ondrej.certik: bug in intersection: segment - segment http://code.google.com/p/sympy/issues/detail?id=1438 Yep, thanks for the work you did. -- You received this message because you are listed in the owner or CC fields of this issue, or because you starred this

Issue 1358 in sympy: (e*f*e*f).subs(e*f,f*e+h) fails if e*f is not commutative

Comment #13 on issue 1358 by wflynny: (e*f*e*f).subs(e*f,f*e+h) fails if e*f is not commutative http://code.google.com/p/sympy/issues/detail?id=1358 Well for one, how can I run an executable that will run all tests for me? I understand where the tests are located/which tests I failed, but how

Issue 1458 in sympy: numpy + geometry doesn't work on windows

Comment #14 on issue 1458 by ondrej.certik: numpy + geometry doesn't work on windows http://code.google.com/p/sympy/issues/detail?id=1458 Caching caches some common expressions. I would like to turn it off in the cython core, once assumptions are in. For more details, see:

Issue 1466 in sympy: Update mpmath to 0.12

Comment #1 on issue 1466 by ondrej.certik: Update mpmath to 0.12 http://code.google.com/p/sympy/issues/detail?id=1466 Unfortunately sympy doesn't even import: $ ./setup.py test Traceback (most recent call last): File ./setup.py, line 35, in module import sympy File

Issue 1358 in sympy: (e*f*e*f).subs(e*f,f*e+h) fails if e*f is not commutative

Comment #14 on issue 1358 by wflynny: (e*f*e*f).subs(e*f,f*e+h) fails if e*f is not commutative http://code.google.com/p/sympy/issues/detail?id=1358 As I initially suspected, and my advisor confirmed, the commutative case needs a permutation generator and for the subs to run through each

Issue 1442 in sympy: mathml patches

Updates: Status: Started Comment #3 on issue 1442 by Vinzent.Steinberg: mathml patches http://code.google.com/p/sympy/issues/detail?id=1442 Also don't forget: http://groups.google.com/group/sympy-patches/browse_thread/thread/17725fe77ee83615/5b00c05330fbd38f Some are reviewed and to

Issue 1381 in sympy: error with mpmath documentation

Updates: Blockedon: 1466 Comment #3 on issue 1381 by Vinzent.Steinberg: error with mpmath documentation http://code.google.com/p/sympy/issues/detail?id=1381 (No comment was entered for this change.) -- You received this message because you are listed in the owner or CC fields of this

Issue 1466 in sympy: Update mpmath to 0.12

Issue 1466: Update mpmath to 0.12 http://code.google.com/p/sympy/issues/detail?id=1466 This issue is now blocking issue 1381. See http://code.google.com/p/sympy/issues/detail?id=1381 -- You received this message because you are listed in the owner or CC fields of this issue, or because you

Issue 1466 in sympy: Update mpmath to 0.12

Comment #2 on issue 1466 by fredrik.johansson: Update mpmath to 0.12 http://code.google.com/p/sympy/issues/detail?id=1466 It should work when removing the mpmath. in that import. -- You received this message because you are listed in the owner or CC fields of this issue, or because you starred

Issue 1477 in sympy: Printing with double subscripts

Status: New Owner: Labels: Type-Defect Priority-Medium New issue 1477 by goodrich.ben: Printing with double subscripts http://code.google.com/p/sympy/issues/detail?id=1477 see http://groups.google.com/group/sympy-patches/browse_thread/thread/670ff83d8450131d Currently, printing does not

Issue 1468 in sympy: problems with quartic root solver

Comment #1 on issue 1468 by smichr: problems with quartic root solver http://code.google.com/p/sympy/issues/detail?id=1468 OK, I can make this much shorter: the present quartic routine is not correct when there are no real roots. This has really been a goose chase to find a resource with a

Issue 1471 in sympy: integrate(1/(x**3+1),(x,0,oo)) return an expression with x

Updates: Status: Started Labels: EasyToFix Comment #6 on issue 1471 by ondrej.certik: integrate(1/(x**3+1),(x,0,oo)) return an expression with x http://code.google.com/p/sympy/issues/detail?id=1471 Thanks, your patch is in. Do you think you could please write more tests for

Issue 1468 in sympy: problems with quartic root solver

Updates: Status: Started Comment #2 on issue 1468 by ondrej.certik: problems with quartic root solver http://code.google.com/p/sympy/issues/detail?id=1468 Wow, great work! Many thanks for digging into that. I think you forgot to attach the patch. Let's get this fixed. -- You received

Issue 1476 in sympy: latex printing improvements

Comment #1 on issue 1476 by ondrej.certik: latex printing improvements http://code.google.com/p/sympy/issues/detail?id=1476 Sadly, the patch doesn't apply for me, and I tried the latest master, sympy-0.6.4 and the patch 957427019c3 which should be the last one before June 3, the date in the

Issue 1477 in sympy: Printing with double subscripts

Updates: Status: Started Labels: Milestone-Release0.6.5 Comment #1 on issue 1477 by ondrej.certik: Printing with double subscripts http://code.google.com/p/sympy/issues/detail?id=1477 The patch looks good to me --- but could you please write tests for it? Then I'll push it in.

Issue 1466 in sympy: Update mpmath to 0.12

Updates: Status: Fixed Comment #4 on issue 1466 by ondrej.certik: Update mpmath to 0.12 http://code.google.com/p/sympy/issues/detail?id=1466 Many thanks, this is in and all tests pass. -- You received this message because you are listed in the owner or CC fields of this issue, or

Issue 1455 in sympy: Split expand so that it only expands a*(x+y) = a*x+a*y

Updates: Labels: NeedsReview Comment #16 on issue 1455 by asmeurer: Split expand so that it only expands a*(x+y) = a*x+a*y http://code.google.com/p/sympy/issues/detail?id=1455 Here is what I have. See the commit message for more info. You can also pull from

Issue 1468 in sympy: problems with quartic root solver

Comment #3 on issue 1468 by smichr: problems with quartic root solver http://code.google.com/p/sympy/issues/detail?id=1468 ...and patch attached. Note that only the test_roots_quartic() has been checked as passing. The whole test suite should yet be run. Attachments: