Messages by Date
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2012/03/07
Re: Issue 2964 in sympy: S.One.is_prime gives True
sympy
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2012/03/06
Re: Issue 2857 in sympy: sqrt(2).is_irrational is None (should be True)
sympy
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2012/03/06
Re: Issue 3100 in sympy: power rules misapplied
sympy
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2012/03/05
Re: Issue 3024 in sympy: simplify() doesn't work without extra factor
sympy
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2012/03/04
Re: Issue 2857 in sympy: sqrt(2).is_irrational is None (should be True)
sympy
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2012/03/04
Issue 3127 in sympy: rop should be rop_cls in Relational.__new__
sympy
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2012/03/03
Re: Issue 3090 in sympy: Create ContinuousDensity class
sympy
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2012/03/02
Re: Issue 1709 in sympy: separatevars fails if given an expression with noncommutative symbols
sympy
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2012/03/02
Re: Issue 3120 in sympy: powers of noncommutative Mul
sympy
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2012/03/01
Re: Issue 3120 in sympy: powers of noncommutative Mul
sympy
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2012/03/01
Re: Issue 3040 in sympy: Problem with simplify() with an expression with O()
sympy
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2012/03/01
Re: Issue 3040 in sympy: Problem with simplify() with an expression with O()
sympy
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2012/02/29
Re: Issue 3101 in sympy: assertion error in Mul.flatten
sympy
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2012/02/29
Re: Issue 1709 in sympy: separatevars fails if given an expression with noncommutative symbols
sympy
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2012/02/29
Re: Issue 642 in sympy: wrong answer from simplifying non-commutative symbols
sympy
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2012/02/29
Re: Issue 642 in sympy: wrong answer from simplifying non-commutative symbols
sympy
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2012/02/29
Re: Issue 1709 in sympy: separatevars fails if given an expression with noncommutative symbols
sympy
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2012/02/29
Re: Issue 2571 in sympy: Regression in Integral.subs
sympy
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2012/02/29
Re: Issue 1811 in sympy: separatevars modifications
sympy
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2012/02/29
Re: Issue 1709 in sympy: separatevars fails if given an expression with noncommutative symbols
sympy
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2012/02/29
Re: Issue 642 in sympy: wrong answer from simplifying non-commutative symbols
sympy
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2012/02/29
Re: Issue 3059 in sympy: Should -oo be implemented as Mul(-1, oo) (was: (x - oo).has(oo) is False; (x - oo).subs(oo, 1) fails)
sympy
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2012/02/28
Issue 3114 in sympy: x._random() returns None if x.is_positive is True
sympy
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2012/02/27
Re: Issue 2070 in sympy: All elements of .args should be Basic
sympy
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2012/02/26
Re: Issue 3100 in sympy: power rules misapplied
sympy
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2012/02/26
Re: Issue 3101 in sympy: assertion error in Mul.flatten
sympy
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2012/02/26
Re: Issue 3101 in sympy: assertion error in Mul.flatten
sympy
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2012/02/26
Re: Issue 3099 in sympy: Expr.is_constant() is very slow in some cases
sympy
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2012/02/25
Re: Issue 3059 in sympy: (x - oo).has(oo) is False; (x - oo).subs(oo, 1) fails
sympy
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2012/02/25
Re: Issue 3097 in sympy: preview should accept keyword options for passing to latex
sympy
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2012/02/25
Re: Issue 3059 in sympy: (x - oo).has(oo) is False; (x - oo).subs(oo, 1) fails
sympy
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2012/02/25
Re: Issue 3059 in sympy: (x - oo).has(oo) is False; (x - oo).subs(oo, 1) fails
sympy
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2012/02/25
Re: Issue 3102 in sympy: Piecewise subs of function fails
sympy
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2012/02/25
Re: Issue 2976 in sympy: Tuple can hold bool but subs fails
sympy
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2012/02/25
Re: Issue 3059 in sympy: (x - oo).has(oo) is False; (x - oo).subs(oo, 1) fails
sympy
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2012/02/25
Re: Issue 3102 in sympy: Piecewise subs of function fails
sympy
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2012/02/25
Re: Issue 3059 in sympy: (x - oo).has(oo) is False; (x - oo).subs(oo, 1) fails
sympy
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2012/02/25
Re: Issue 3059 in sympy: (x - oo).has(oo) is False; (x - oo).subs(oo, 1) fails
sympy
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2012/02/25
Re: Issue 3102 in sympy: Piecewise subs of function fails
sympy
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2012/02/25
Re: Issue 3059 in sympy: (x - oo).has(oo) is False; (x - oo).subs(oo, 1) fails
sympy
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2012/02/24
Re: Issue 3059 in sympy: (x - oo).has(oo) is False; (x - oo).subs(oo, 1) fails
sympy
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2012/02/24
Issue 3102 in sympy: Piecewise subs of function fails
sympy
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2012/02/24
Re: Issue 3097 in sympy: preview should accept keyword options for passing to latex
sympy
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2012/02/24
Re: Issue 966 in sympy: extract minus sign issues (from comment 46ff) was "Can't simplify exp(2 * pi * I * a) when a is integer"
sympy
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2012/02/22
Re: Issue 2989 in sympy: Segment is not correctly ordering args
sympy
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2012/02/22
Re: Issue 2963 in sympy: geometry objects should derive from Basic
sympy
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2012/02/21
Issue 3096 in sympy: S(1)**S.NaN == S.NaN
sympy
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2012/02/21
Re: Issue 2070 in sympy: All elements of .args should be Basic
sympy
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2012/02/21
Re: Issue 3022 in sympy: maximum recursion depth exceeded with expand(complex=True)
sympy
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2012/02/21
Re: Issue 3024 in sympy: simplify() doesn't work without extra factor
sympy
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2012/02/21
Re: Issue 3033 in sympy: UndefinedFunction not returned from atoms
sympy
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2012/02/20
Re: Issue 3085 in sympy: poly() does not respect the given order of generators
sympy
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2012/02/20
Re: Issue 3087 in sympy: Float('.0') raises error
sympy
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2012/02/20
Re: Issue 3088 in sympy: printing of 0 with low precision leaves off leading digit (and exponent)
sympy
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2012/02/20
Re: Issue 3091 in sympy: Floats in trig functions made rational
sympy
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2012/02/20
Re: Issue 3092 in sympy: IntQubit doesn't raise error when number is bigger than bitsize
sympy
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2012/02/20
Re: Issue 3093 in sympy: solve should not call nfloat if there was no solution
sympy
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2012/02/20
Re: Issue 3091 in sympy: Floats in trig functions made rational
sympy
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2012/02/20
Issue 3093 in sympy: solve should not call nfloat if there was no solution
sympy
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2012/02/20
Issue 3092 in sympy: IntQubit doesn't raise error when number is bigger than bitsize
sympy
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2012/02/20
Re: Issue 3085 in sympy: poly() does not respect the given order of generators
sympy
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2012/02/20
Re: Issue 3088 in sympy: printing of 0 with low precision leaves off leading digit (and exponent)
sympy
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2012/02/20
Re: Issue 3087 in sympy: Float('.0') raises error
Chris Smith
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2012/02/20
Re: Issue 3087 in sympy: Float('.0') raises error
sympy
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2012/02/20
Issue 3089 in sympy: (a**1.0).subs(a,b) -> b
sympy
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2012/02/17
Re: Issue 1722 in sympy: atomic mass unit (amu, u) is defined wrong
sympy
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2012/02/17
Re: Issue 1541 in sympy: Latex Print issue with printing min_, max_
sympy
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2012/02/16
Re: Issue 3081 in sympy: Mul.is_positive gets very slow for a 15-factor term
sympy
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2012/02/16
Issue 3081 in sympy: Mul.is_positive gets very slow for a 15-factor term
sympy
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2012/02/16
Re: Issue 3079 in sympy: integrate sprouted an evaluate keyword
sympy
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2012/02/16
Re: Issue 3058 in sympy: solve cannot handle mixed trig functions
sympy
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2012/02/16
Issue 3079 in sympy: integrate sprouted an evaluate keyword
sympy
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2012/02/16
Re: Issue 3058 in sympy: solve cannot handle mixed trig functions
sympy
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2012/02/15
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/15
Re: Issue 3046 in sympy: divmod method needed for Rational
sympy
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2012/02/15
Issue 3076 in sympy: nan**0 should be nan
sympy
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2012/02/13
Re: Issue 1724 in sympy: conjugate doesn't work for rational powers
sympy
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2012/02/13
Re: Issue 3069 in sympy: dsolve gets too many constants for a first order linear ode
sympy
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2012/02/12
Re: Issue 2964 in sympy: S.One.is_prime gives True
sympy
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2012/02/12
Re: Issue 3065 in sympy: int(1+2*I) gives infinite recursion
sympy
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2012/02/12
Re: Issue 2964 in sympy: S.One.is_prime gives True
sympy
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2012/02/12
Re: Issue 3065 in sympy: int(1+2*I) gives infinite recursion
sympy
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2012/02/12
Re: Issue 3050 in sympy: primitive() problem
sympy
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2012/02/12
Re: Issue 3045 in sympy: float-based operations lose precision
sympy
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2012/02/12
Re: Issue 2845 in sympy: Integrating the new plotting module
sympy
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2012/02/11
Re: Issue 2542 in sympy: Compatibility with py.test
sympy
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2012/02/10
Re: Issue 2542 in sympy: Compatibility with py.test
sympy
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2012/02/10
Re: Issue 1857 in sympy: evalf/simplify accuracy
sympy
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2012/02/10
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
Chris Smith
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2012/02/10
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
Chris Smith
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2012/02/10
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/10
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
Chris Smith
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2012/02/10
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/09
Re: Issue 2057 in sympy: Units do not work together with evalf?
sympy
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2012/02/09
Re: Issue 1104 in sympy: cse(sin(a**a)/a**a) doesn't do it
sympy
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2012/02/09
Re: Issue 2976 in sympy: Tuple can hold bool but subs fails
sympy
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2012/02/09
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
Chris Smith
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2012/02/09
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/08
Re: Issue 2979 in sympy: > and >= are changed into < and <=
sympy
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2012/02/08
Re: Issue 3050 in sympy: primitive() problem
sympy
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2012/02/08
Re: Issue 3045 in sympy: float-based operations lose precision
sympy
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2012/02/05
Re: Issue 1581 in sympy: subs(dict()) sometimes breaks
Chris Smith
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2012/02/05
Re: Issue 1581 in sympy: subs(dict()) sometimes breaks
sympy
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2012/02/05
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/05
Re: Issue 2749 in sympy: subs(Dict) does not work
sympy
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2012/02/05
Re: Issue 3041 in sympy: tryring to replace a Tuple with subs fails
sympy
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2012/02/05
Re: Issue 1581 in sympy: subs(dict()) sometimes breaks
sympy
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2012/02/05
Re: Issue 1581 in sympy: subs(dict()) sometimes breaks
sympy
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2012/02/05
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/04
Re: Issue 1724 in sympy: conjugate doesn't work for rational powers
sympy
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2012/02/04
Re: Issue 1301 in sympy: Exception while integrating x**n * log(x)
sympy
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2012/02/04
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/04
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/03
Re: Issue 3033 in sympy: UndefinedFunction not returned from atoms
sympy
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2012/02/03
Re: Issue 2340 in sympy: Real(1) returns Integer
sympy
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2012/02/03
Re: Issue 3013 in sympy: Float(Float) gives odd result
sympy
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2012/02/03
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/03
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/03
Re: Issue 3033 in sympy: UndefinedFunction not returned from atoms
sympy
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2012/02/03
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/03
Re: Issue 3033 in sympy: UndefinedFunction not returned from atoms
sympy
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2012/02/03
Re: Issue 3033 in sympy: UndefinedFunction not returned from atoms
sympy
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2012/02/03
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/03
Re: Issue 1301 in sympy: Exception while integrating x**n * log(x)
sympy
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2012/02/03
Re: Issue 1724 in sympy: conjugate doesn't work for rational powers
sympy
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2012/02/03
Re: Issue 2956 in sympy: Simetimes the test_hyperexpand.py (test_meijerg_shift_operators) fails in master.
sympy
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2012/02/03
Re: Issue 2624 in sympy: Sympy 0.7.1 can't integrate Gaussians
sympy
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2012/02/03
Re: Issue 2079 in sympy: multiple integral gives wrong result
sympy
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2012/02/03
Re: Issue 1452 in sympy: integrate cannot do integral
sympy
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2012/02/03
Re: Issue 1066 in sympy: sum(1/(x+2)**3,(x,1,oo)) doesn't do it
sympy
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2012/02/03
Re: Issue 2878 in sympy: Add section to the Gotchas about floating point numbers
sympy
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2012/01/29
Re: Issue 2964 in sympy: S.One.is_prime gives True
sympy
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2012/01/29
Re: Issue 1712 in sympy: cse should use .could_extract_minus_sign()
sympy
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2012/01/29
Re: Issue 2747 in sympy: cse of a Matrix returns a list
sympy
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2012/01/29
Re: Issue 1399 in sympy: make cse recognize negative of a subexpression
sympy
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2012/01/29
Re: Issue 1104 in sympy: cse(sin(a**a)/a**a) doesn't do it
sympy
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2012/01/29
Re: Issue 921 in sympy: cse for multiplication
sympy
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2012/01/29
Re: Issue 2964 in sympy: S.One.is_prime gives True
sympy
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2012/01/29
Re: Issue 2964 in sympy: S.One.is_prime gives True
sympy
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2012/01/29
Re: Issue 2964 in sympy: S.One.is_prime gives True
sympy
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2012/01/27
Re: Issue 1707 in sympy: integrate(atan(x)**2, (x, -5, 5)).evalf() fails
sympy
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2012/01/27
Re: Issue 3011 in sympy: Doctest failure in master
sympy
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2012/01/27
Re: Issue 2986 in sympy: Matrix, domain, and Subs evalf method need prec option and/or n alias
sympy
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2012/01/27
Re: Issue 2995 in sympy: skipped secondquant doctest passes
sympy
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2012/01/25
Re: Issue 1857 in sympy: evalf/simplify accuracy
sympy
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2012/01/24
Re: Issue 1239 in sympy: decimals should be rationals (!)
sympy
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2012/01/24
Re: Issue 1239 in sympy: decimals should be rationals (!)
sympy
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2012/01/24
Re: Issue 2340 in sympy: Real(1) returns Integer
sympy
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2012/01/24
Re: Issue 3026 in sympy: Latex printing test failure in master
sympy
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2012/01/24
Re: Issue 2340 in sympy: Real(1) returns Integer
sympy
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2012/01/24
Re: Issue 1239 in sympy: decimals should be rationals (!)
sympy
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2012/01/24
Re: Issue 3026 in sympy: Latex printing test failure in master
sympy
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2012/01/24
Re: Issue 1707 in sympy: integrate(atan(x)**2, (x, -5, 5)).evalf() fails
sympy
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2012/01/24
Re: Issue 2878 in sympy: Add section to the Gotchas about floating point numbers
sympy
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2012/01/24
Re: Issue 2061 in sympy: sqrt(-1.0*x) gives infinite recursion
sympy
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2012/01/24
Re: Issue 2988 in sympy: invalid expansion of Mul bases in Pow
sympy
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2012/01/24
Re: Issue 2991 in sympy: commutative factors are not pulled out of a Mul base
sympy
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2012/01/24
Re: Issue 2990 in sympy: Float is not pulled out of Mul base when exponent is Integer
sympy
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2012/01/24
Re: Issue 2996 in sympy: collect doesn't collect power with numerical base
sympy
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2012/01/24
Re: Issue 2997 in sympy: collect mishandles power rules
sympy
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2012/01/24
Re: Issue 2998 in sympy: collect doesn't process powers with float coeff in exponent
sympy
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2012/01/24
Re: Issue 3000 in sympy: Abs doesn't process more than Rational from Mul arg
sympy
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2012/01/24
Re: Issue 3003 in sympy: (-x*I*oo).coeff(I*oo) gives None
sympy
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2012/01/24
Re: Issue 3005 in sympy: exp(I*oo*x) gives nan
sympy
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2012/01/24
Re: Issue 3007 in sympy: Mul.flatten should filter out imaginary terms when oo is a factor
sympy
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2012/01/22
Re: Issue 2995 in sympy: skipped secondquant doctest passes
sympy
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2012/01/22
Re: Issue 2988 in sympy: invalid expansion of Mul bases in Pow
sympy
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2012/01/22
Re: Issue 2990 in sympy: Float is not pulled out of Mul base when exponent is Integer
sympy
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2012/01/22
Re: Issue 2991 in sympy: commutative factors are not pulled out of a Mul base
sympy
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2012/01/22
Re: Issue 2996 in sympy: collect doesn't collect power with numerical base
sympy
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2012/01/22
Re: Issue 2997 in sympy: collect mishandles power rules
sympy
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2012/01/22
Re: Issue 2998 in sympy: collect doesn't process powers with float coeff in exponent
sympy
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2012/01/22
Re: Issue 3000 in sympy: Abs doesn't process more than Rational from Mul arg
sympy
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2012/01/22
Re: Issue 3003 in sympy: (-x*I*oo).coeff(I*oo) gives None
sympy
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2012/01/22
Re: Issue 3005 in sympy: exp(I*oo*x) gives nan
sympy
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2012/01/22
Re: Issue 3007 in sympy: Mul.flatten should filter out imaginary terms when oo is a factor
sympy
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2012/01/22
Re: Issue 2061 in sympy: sqrt(-1.0*x) gives infinite recursion
sympy
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2012/01/22
Re: Issue 2981 in sympy: document the "check" option of solve()
sympy
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2012/01/22
Re: Issue 2978 in sympy: x**2.0/x doesn't simplify
sympy
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2012/01/22
Re: Issue 2101 in sympy: latex printing with piecewise function : reversed expr and cond
sympy
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2012/01/21
Re: Issue 2101 in sympy: latex printing with piecewise function : reversed expr and cond
sympy
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2012/01/21
Re: Issue 1583 in sympy: evalf doesn't evaluate arguments to functions if they have symbols
sympy
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2012/01/20
Re: Issue 3001 in sympy: a**1.0 != a
sympy
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2012/01/18
Re: Issue 1722 in sympy: atomic mass unit (amu, u) is defined wrong
sympy
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2012/01/18
Re: Issue 3013 in sympy: Float(Float) gives odd result
sympy
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2012/01/17
Re: Issue 3011 in sympy: Doctest failure in master
sympy
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2012/01/16
Re: Issue 2554 in sympy: Bug with sqrtdenest
sympy
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2012/01/16
Re: Issue 2554 in sympy: Bug with sqrtdenest
sympy
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2012/01/15
Re: Issue 1722 in sympy: atomic mass unit (amu, u) is defined wrong
sympy
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2012/01/14
Re: Issue 3001 in sympy: a**1.0 != a
sympy
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2012/01/14
Re: Issue 1541 in sympy: Latex Print issue with printing min_, max_
sympy
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2012/01/14
Re: Issue 2981 in sympy: document the "check" option of solve()
sympy
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2012/01/13
Re: Issue 2845 in sympy: Integrating the new plotting module
sympy
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2012/01/13
Issue 2989 in sympy: Segment is not correctly ordering args
sympy
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2012/01/13
Re: Issue 1893 in sympy: integrate(log(x) * x**(k-1) * exp(-x) / gamma(k), (x, 0, oo)) hangs
sympy
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2012/01/13
Re: Issue 2964 in sympy: S.One.is_prime gives True
sympy
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2012/01/13
Re: Issue 2964 in sympy: S.One.is_prime gives True
sympy
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2012/01/13
Re: Issue 1638 in sympy: integrate (sin(x)/x, (x, -oo, oo)) returns Integral (fails)
sympy
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2012/01/13
Re: Issue 1394 in sympy: integrate(x*sqrt(1+2*x), x) can't do it yet
sympy
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2012/01/13
Re: Issue 1388 in sympy: integrate(exp(-x)*x**n, x) fails
sympy