Re: Issue 2047 in sympy: subs_atoms should omit more variables when doing subs in Integral

Comment #2 on issue 2047 by smichr: subs_atoms should omit more variables when doing subs in Integral http://code.google.com/p/sympy/issues/detail?id=2047 see issue 2046 for my comments. Also, we should decide whether subs in an unevaluated integral should be done based on pre-calculation

Re: Issue 2047 in sympy: subs_atoms should omit more variables when doing subs in Integral

Updates: Labels: Integration Matching Comment #3 on issue 2047 by asmeurer: subs_atoms should omit more variables when doing subs in Integral http://code.google.com/p/sympy/issues/detail?id=2047 Also, we should decide whether subs in an unevaluated integral should be done based on

Issue 2048 in sympy: Problems with definite integrals with Function limits and RootSum

Status: Accepted Owner: asmeurer Labels: Type-Defect Priority-Medium Integration Matching New issue 2048 by asmeurer: Problems with definite integrals with Function limits and RootSum http://code.google.com/p/sympy/issues/detail?id=2048 I am just putting this here so I don't forget to fix

Re: Issue 1772 in sympy: Integral(1,x).is_number fails

Updates: Labels: smichr Comment #13 on issue 1772 by asmeurer: Integral(1,x).is_number fails http://code.google.com/p/sympy/issues/detail?id=1772 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group.

Re: Issue 1778 in sympy: Rational from string can be improved

Updates: Labels: smichr Comment #41 on issue 1778 by asmeurer: Rational from string can be improved http://code.google.com/p/sympy/issues/detail?id=1778 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 1801 in sympy: igcd and ilcm could handle rationals

Updates: Labels: -NeedsReview NeedsBetterPatch smichr Comment #6 on issue 1801 by asmeurer: igcd and ilcm could handle rationals http://code.google.com/p/sympy/issues/detail?id=1801 (No comment was entered for this change.) -- You received this message because you are subscribed to the

Re: Issue 1804 in sympy: as_independent could respect non-commutatives

Updates: Labels: smichr Comment #2 on issue 1804 by asmeurer: as_independent could respect non-commutatives http://code.google.com/p/sympy/issues/detail?id=1804 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups

Re: Issue 1809 in sympy: extract_additively should aim for 0

Updates: Labels: smichr Comment #1 on issue 1809 by asmeurer: extract_additively should aim for 0 http://code.google.com/p/sympy/issues/detail?id=1809 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 1810 in sympy: separate is a wrapper

Updates: Labels: smichr Comment #1 on issue 1810 by asmeurer: separate is a wrapper http://code.google.com/p/sympy/issues/detail?id=1810 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group. To post

Re: Issue 1818 in sympy: coeff and collect failures on x**(1+x)

Updates: Labels: smichr Comment #3 on issue 1818 by asmeurer: coeff and collect failures on x**(1+x) http://code.google.com/p/sympy/issues/detail?id=1818 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 1820 in sympy: Rational(Rational(1,2),Rational(1,3)) should not be nan

Updates: Labels: -Priority-Medium Priority-High WrongResult smichr Comment #3 on issue 1820 by asmeurer: Rational(Rational(1,2),Rational(1,3)) should not be nan http://code.google.com/p/sympy/issues/detail?id=1820 (No comment was entered for this change.) -- You received this

Re: Issue 1821 in sympy: more simplification could be done on rationals raised to rationals

Updates: Labels: smichr Comment #1 on issue 1821 by asmeurer: more simplification could be done on rationals raised to rationals http://code.google.com/p/sympy/issues/detail?id=1821 (No comment was entered for this change.) -- You received this message because you are subscribed to

Re: Issue 1825 in sympy: radsimp a little more discretionary

Updates: Labels: smichr Comment #4 on issue 1825 by asmeurer: radsimp a little more discretionary http://code.google.com/p/sympy/issues/detail?id=1825 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 1831 in sympy: ode can survive (so far) with less expansion

Updates: Labels: smichr Comment #4 on issue 1831 by asmeurer: ode can survive (so far) with less expansion http://code.google.com/p/sympy/issues/detail?id=1831 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups

Re: Issue 1835 in sympy: 1835: coeff changes

Updates: Labels: smichr Comment #4 on issue 1835 by asmeurer: 1835: coeff changes http://code.google.com/p/sympy/issues/detail?id=1835 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group. To post to

Re: Issue 1838 in sympy: Add support for [0]*S(5), etc.

Updates: Labels: asmeurer Comment #7 on issue 1838 by asmeurer: Add support for [0]*S(5), etc. http://code.google.com/p/sympy/issues/detail?id=1838 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 1844 in sympy: expand methods pruned

Updates: Labels: smichr Comment #1 on issue 1844 by asmeurer: expand methods pruned http://code.google.com/p/sympy/issues/detail?id=1844 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group. To post

Re: Issue 1847 in sympy: Powsimp returns wrong result

Updates: Labels: smichr jensen.oyvind Comment #17 on issue 1847 by asmeurer: Powsimp returns wrong result http://code.google.com/p/sympy/issues/detail?id=1847 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups

Re: Issue 1849 in sympy: expansion problem

Updates: Labels: smichr Comment #2 on issue 1849 by asmeurer: expansion problem http://code.google.com/p/sympy/issues/detail?id=1849 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group. To post to

Re: Issue 1855 in sympy: matrix gets a gcdfactor method

Updates: Labels: smichr Comment #3 on issue 1855 by asmeurer: matrix gets a gcdfactor method http://code.google.com/p/sympy/issues/detail?id=1855 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group.

Re: Issue 1859 in sympy: Enhanced subs method

Updates: Labels: alberthilbert Comment #5 on issue 1859 by asmeurer: Enhanced subs method http://code.google.com/p/sympy/issues/detail?id=1859 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group. To

Re: Issue 1866 in sympy: sage tests in sympy fail

Updates: Labels: -NeedsReview Comment #2 on issue 1866 by asmeurer: sage tests in sympy fail http://code.google.com/p/sympy/issues/detail?id=1866 Why was this marked as NeedsReview? Is there a patch to fix it somewhere? -- You received this message because you are subscribed to the

Re: Issue 1884 in sympy: remove old assumptions

Updates: Labels: Vinzent.Steinberg Comment #18 on issue 1884 by asmeurer: remove old assumptions http://code.google.com/p/sympy/issues/detail?id=1884 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 1914 in sympy: add dictionary support to sympify

Updates: Labels: smichr Comment #7 on issue 1914 by asmeurer: add dictionary support to sympify http://code.google.com/p/sympy/issues/detail?id=1914 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 1915 in sympy: Unify make_list with as_Add/as_Mul

Updates: Labels: Ronan.Lamy Comment #9 on issue 1915 by asmeurer: Unify make_list with as_Add/as_Mul http://code.google.com/p/sympy/issues/detail?id=1915 By the way, one advantage of as_Add and as_Mul over make_list and as_args is that you don't have to import Add or Mul. as_Add and

Re: Issue 1921 in sympy: failing doctest under windows

Updates: Labels: smichr Comment #6 on issue 1921 by asmeurer: failing doctest under windows http://code.google.com/p/sympy/issues/detail?id=1921 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group.

Re: Issue 1924 in sympy: Eq() gets .as_basic() method

Updates: Labels: smichr Comment #16 on issue 1924 by asmeurer: Eq() gets .as_basic() method http://code.google.com/p/sympy/issues/detail?id=1924 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group.

Re: Issue 1936 in sympy: Integral limits should be sanitized

Updates: Labels: smichr Comment #10 on issue 1936 by asmeurer: Integral limits should be sanitized http://code.google.com/p/sympy/issues/detail?id=1936 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 1956 in sympy: mpmath: test_visualization fails on AttributeError with matplotlib 0.91.2

Updates: Labels: jensen.oyvind ondrej.certik Comment #12 on issue 1956 by asmeurer: mpmath: test_visualization fails on AttributeError with matplotlib 0.91.2 http://code.google.com/p/sympy/issues/detail?id=1956 (No comment was entered for this change.) -- You received this message

Re: Issue 1963 in sympy: changes to core/power

Updates: Labels: smichr Comment #5 on issue 1963 by asmeurer: changes to core/power http://code.google.com/p/sympy/issues/detail?id=1963 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group. To post

Re: Issue 1972 in sympy: Doctests in a module docstring are not executed

Updates: Cc: smichr Labels: jensen.oyvind Comment #3 on issue 1972 by asmeurer: Doctests in a module docstring are not executed http://code.google.com/p/sympy/issues/detail?id=1972 Chris, was that a positive review? -- You received this message because you are subscribed to

Re: Issue 1975 in sympy: nsimplify() should be recursive

Updates: Labels: smichr Comment #7 on issue 1975 by asmeurer: nsimplify() should be recursive http://code.google.com/p/sympy/issues/detail?id=1975 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group.

Re: Issue 1980 in sympy: has, has_any_symbols, has_all_symbols unified

Updates: Labels: smichr Comment #5 on issue 1980 by asmeurer: has, has_any_symbols, has_all_symbols unified http://code.google.com/p/sympy/issues/detail?id=1980 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups

Re: Issue 1985 in sympy: as_real_imag() gives wrong answer when expanding quotient

Updates: Labels: asmeurer renato.coutinho Comment #12 on issue 1985 by asmeurer: as_real_imag() gives wrong answer when expanding quotient http://code.google.com/p/sympy/issues/detail?id=1985 (No comment was entered for this change.) -- You received this message because you are

Re: Issue 1987 in sympy: Integral(f(x), (x, g(x), h(x))).diff(x) incorrectly returns 0

Updates: Labels: smichr Comment #4 on issue 1987 by asmeurer: Integral(f(x), (x, g(x), h(x))).diff(x) incorrectly returns 0 http://code.google.com/p/sympy/issues/detail?id=1987 (No comment was entered for this change.) -- You received this message because you are subscribed to the

Re: Issue 1991 in sympy: Don't use assert in the library code when an exception would be better

Updates: Summary: Don't use assert in the library code when an exception would be better Labels: asmeurer Comment #4 on issue 1991 by asmeurer: Don't use assert in the library code when an exception would be better http://code.google.com/p/sympy/issues/detail?id=1991 (No comment

Re: Issue 1992 in sympy: dummy variables of integration

Updates: Labels: smichr Comment #3 on issue 1992 by asmeurer: dummy variables of integration http://code.google.com/p/sympy/issues/detail?id=1992 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group.

Re: Issue 1999 in sympy: Integral(0, ...) and Integral(..., (x, foo, foo)) should autosimplify to 0

Updates: Labels: smichr Comment #3 on issue 1999 by asmeurer: Integral(0, ...) and Integral(..., (x, foo, foo)) should autosimplify to 0 http://code.google.com/p/sympy/issues/detail?id=1999 Is there anyone else who thinks Integral should behave this way? If it were up to me, I

Re: Issue 2005 in sympy: (x**(2*y)).subs(exp(3*y*log(x)), z) gives z**(3/2) instead of z**(2/3)

Updates: Labels: smichr Comment #5 on issue 2005 by asmeurer: (x**(2*y)).subs(exp(3*y*log(x)), z) gives z**(3/2) instead of z**(2/3) http://code.google.com/p/sympy/issues/detail?id=2005 (No comment was entered for this change.) -- You received this message because you are subscribed

Re: Issue 2009 in sympy: Document why solve((x-y,y),x) is None

Updates: Labels: torstenmarcoknodt Comment #13 on issue 2009 by asmeurer: Document why solve((x-y,y),x) is None http://code.google.com/p/sympy/issues/detail?id=2009 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups

Re: Issue 2021 in sympy: cross product always returns (1,3)-Matrix

Updates: Labels: chr.schubertgmx.de Comment #5 on issue 2021 by asmeurer: cross product always returns (1,3)-Matrix http://code.google.com/p/sympy/issues/detail?id=2021 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google

Re: Issue 2027 in sympy: Invalid combination of bases

Updates: Labels: smichr Comment #8 on issue 2027 by asmeurer: Invalid combination of bases http://code.google.com/p/sympy/issues/detail?id=2027 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group. To

Re: Issue 2039 in sympy: Mul.eval_subs problems

Updates: Labels: smichr Comment #26 on issue 2039 by asmeurer: Mul.eval_subs problems http://code.google.com/p/sympy/issues/detail?id=2039 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group. To post

Re: Issue 1731 in sympy: fraction can be more flexible

Updates: Labels: smichr Comment #12 on issue 1731 by asmeurer: fraction can be more flexible http://code.google.com/p/sympy/issues/detail?id=1731 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group.

Re: Issue 1642 in sympy: decorators in functions/special/polynomials.py prevent printing in Mul.flatten (and others)

Updates: Labels: mattpap Comment #5 on issue 1642 by asmeurer: decorators in functions/special/polynomials.py prevent printing in Mul.flatten (and others) http://code.google.com/p/sympy/issues/detail?id=1642 (No comment was entered for this change.) -- You received this message

Re: Issue 1883 in sympy: Recode dmp_zero_p to be non-recursive

Updates: Labels: asmeurer Comment #5 on issue 1883 by asmeurer: Recode dmp_zero_p to be non-recursive http://code.google.com/p/sympy/issues/detail?id=1883 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups

Re: Issue 1823 in sympy: integral.atoms(Symbol) should introspect

Updates: Labels: smichr Comment #11 on issue 1823 by asmeurer: integral.atoms(Symbol) should introspect http://code.google.com/p/sympy/issues/detail?id=1823 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups

Re: Issue 1926 in sympy: ode tweaks

Updates: Labels: smichr Comment #7 on issue 1926 by asmeurer: ode tweaks http://code.google.com/p/sympy/issues/detail?id=1926 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group. To post to this

Re: Issue 1960 in sympy: should repr form of geometry entities be the same as str?

Updates: Labels: smichr Comment #6 on issue 1960 by asmeurer: should repr form of geometry entities be the same as str? http://code.google.com/p/sympy/issues/detail?id=1960 (No comment was entered for this change.) -- You received this message because you are subscribed to the

Re: Issue 790 in sympy: risch: PolynimialException when integrating not-so-trivial exponents

Issue 790: risch: PolynimialException when integrating not-so-trivial exponents http://code.google.com/p/sympy/issues/detail?id=790 This issue is now blocking issue 1961. See http://code.google.com/p/sympy/issues/detail?id=1961 -- You received this message because you are listed in the owner

Re: Issue 1982 in sympy: use is None instead of == None

Updates: Labels: smichr Comment #7 on issue 1982 by asmeurer: use is None instead of == None http://code.google.com/p/sympy/issues/detail?id=1982 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues group.

Re: Issue 1961 in sympy: integration works too hard

Updates: Labels: asmeurer smichr NeedsReview Blockedon: 790 Comment #9 on issue 1961 by asmeurer: integration works too hard http://code.google.com/p/sympy/issues/detail?id=1961 I meant to type issue 1851 in comment 3. The issue that needs to be fixed is issue 790. -- You

Re: Issue 2047 in sympy: subs_atoms should omit more variables when doing subs in Integral

Comment #4 on issue 2047 by smichr: subs_atoms should omit more variables when doing subs in Integral http://code.google.com/p/sympy/issues/detail?id=2047 I believe I merged it all together in 50d489d subs-wild... If you pull it, checkout that commit. The last two commits are under

Re: Issue 1265 in sympy: +oo pi

Updates: Labels: -felix.kaiserfxkr.net felix.kaiser Comment #7 on issue 1265 by asmeurer: +oo pi http://code.google.com/p/sympy/issues/detail?id=1265 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 2021 in sympy: cross product always returns (1,3)-Matrix

Updates: Labels: -chr.schubertgmx.de chr.schubert Comment #6 on issue 2021 by asmeurer: cross product always returns (1,3)-Matrix http://code.google.com/p/sympy/issues/detail?id=2021 (No comment was entered for this change.) -- You received this message because you are subscribed to

Re: Issue 2026 in sympy: Exact substitution

Comment #1 on issue 2026 by asmeurer: Exact substitution http://code.google.com/p/sympy/issues/detail?id=2026 By the way, a while back Chris and I were talking about this on IRC, and we decided that expr.subs(old, new, exact=True) should work if and only if old is in

Issue 2049 in sympy: Derivative(f(x), x).subs(f(x), y) gives 0 instead of Derivative(y, x)

Status: Accepted Owner: asmeurer CC: smichr Labels: Type-Defect Priority-Medium Matching New issue 2049 by asmeurer: Derivative(f(x), x).subs(f(x), y) gives 0 instead of Derivative(y, x) http://code.google.com/p/sympy/issues/detail?id=2049 Derivative is unevaluated, so there is no reason

Re: Issue 2049 in sympy: Derivative(f(x), x).subs(f(x), y) gives 0 instead of Derivative(y, x)

Issue 2049: Derivative(f(x), x).subs(f(x), y) gives 0 instead of Derivative(y, x) http://code.google.com/p/sympy/issues/detail?id=2049 This issue is now blocking issue 1938. See http://code.google.com/p/sympy/issues/detail?id=1938 -- You received this message because you are listed in the

Re: Issue 1986 in sympy: cse eats derivatives

Updates: Blockedon: 2049 Comment #1 on issue 1986 by asmeurer: cse eats derivatives http://code.google.com/p/sympy/issues/detail?id=1986 See issue 2049. This is a problem with subs and shouldn't be happening. -- You received this message because you are subscribed to the Google Groups

Re: Issue 2049 in sympy: Derivative(f(x), x).subs(f(x), y) gives 0 instead of Derivative(y, x)

Issue 2049: Derivative(f(x), x).subs(f(x), y) gives 0 instead of Derivative(y, x) http://code.google.com/p/sympy/issues/detail?id=2049 This issue is now blocking issue 1986. See http://code.google.com/p/sympy/issues/detail?id=1986 -- You received this message because you are listed in the

Re: Issue 2049 in sympy: Derivative(f(x), x).subs(f(x), y) gives 0 instead of Derivative(y, x)

Updates: Labels: EasyToFix Milestone-Release0.7.0 Comment #1 on issue 2049 by asmeurer: Derivative(f(x), x).subs(f(x), y) gives 0 instead of Derivative(y, x) http://code.google.com/p/sympy/issues/detail?id=2049 Chris found that this was introduced by commit fc0254fd870f1ad2f, from

Re: Issue 1999 in sympy: Integral(0, ...) and Integral(..., (x, foo, foo)) should autosimplify to 0

Updates: Status: WontFix Labels: -EasyToFix -NeedsReview -smichr Comment #4 on issue 1999 by smichr: Integral(0, ...) and Integral(..., (x, foo, foo)) should autosimplify to 0 http://code.google.com/p/sympy/issues/detail?id=1999 When the user uses Derivative and Integral

Re: Issue 2047 in sympy: subs_atoms should omit more variables when doing subs in Integral

Comment #5 on issue 2047 by asmeurer: subs_atoms should omit more variables when doing subs in Integral http://code.google.com/p/sympy/issues/detail?id=2047 I agree, don't replace the integration variable. Actually, all other arguments aside, a good reason not to do it is that the

Re: Issue 2048 in sympy: Problems with definite integrals with Function limits and RootSum

Comment #1 on issue 2048 by asmeurer: Problems with definite integrals with Function limits and RootSum http://code.google.com/p/sympy/issues/detail?id=2048 Actually, any integration limits screw it up, not just f(x). Here are the failures: master: …