ID |
Status |
Summary |
4142
|
New |
Wrong result from simplify
Type-Defect
Priority-Medium
|
4141
|
New |
ERROR limit(tan(abs(x))/acosh(x), x, pi/2, '-')
Type-Defect
Priority-Medium
|
4139
|
New |
limit(abs(log(x)), x, 0, '+')
Type-Defect
Priority-Medium
Milestone-Release0.7.6
Series
|
4138
|
New |
Fourrier transform of exponential and Closed Integrals
Type-Defect
Priority-Medium
|
4134
|
New |
N(Max(0.0, n + m)) returns Max(1.0, n + m)
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4133
|
Valid |
Suggestion: implement classical orthogonal polynomials
Type-Enhancement
Priority-Low
Restrict-AddIssueComment-Commit
|
4132
|
Valid |
evaluating series() twice for a generic function at a generic point fails
Type-Defect
Priority-Medium
Series
Caching
Restrict-AddIssueComment-Commit
|
4131
|
New |
precision of mpmath in Sympy
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4130
|
Valid |
Add scipy to lambdify
Type-Enhancement
Priority-Medium
EasyToFix
Restrict-AddIssueComment-Commit
|
4129
|
Fixed |
Solve produces multiple answer
Type-Defect
Priority-Medium
Solvers
NeedsReview
Restrict-AddIssueComment-Commit
|
4128
|
Fixed |
fix comparisons oo/zoo with complex numbers, e.g. oo<I
Type-Defect
Priority-Medium
WrongResult
Core
Restrict-AddIssueComment-Commit
|
4127
|
Valid |
"Geometric Algebra" Documentation missing
Type-Defect
Priority-Critical
Documentation
Restrict-AddIssueComment-Commit
|
4126
|
Valid |
tikz backend for plot
Type-Enhancement
Priority-Medium
Printing
Plotting
Restrict-AddIssueComment-Commit
|
4125
|
Valid |
Issues with Bessel functions
Type-Defect
Priority-Medium
Solvers
Series
Restrict-AddIssueComment-Commit
|
4124
|
Fixed |
expand_complex(I*oo) gives nan
Type-Defect
Priority-Medium
WrongResult
Restrict-AddIssueComment-Commit
|
4123
|
Fixed |
Rational.__lt__ and friends needs to watch for nan
Type-Defect
Priority-Medium
NeedsReview
Restrict-AddIssueComment-Commit
|
4122
|
New |
Egyptian fractions
Type-Enhancement
Priority-Medium
NumberTheory
Restrict-AddIssueComment-Commit
|
4121
|
Fixed |
Error in the integrator
Integration
WrongResult
Priority-High
Restrict-AddIssueComment-Commit
|
4120
|
Valid |
Make Laplace transform work on undefined functions
Type-Enhancement
Priority-Medium
Integration
Restrict-AddIssueComment-Commit
|
4119
|
WontFix |
Sympy Logic Module: implication have too high precedence
Type-Defect
Priority-Medium
Logic
Restrict-AddIssueComment-Commit
|
4118
|
Fixed |
deprecate submatrix
Type-Defect
Priority-Medium
EasyToFix
Matrices
Restrict-AddIssueComment-Commit
|
4117
|
Valid |
Limits involving branch cuts of elementary functions not handled
Type-Defect
Priority-Medium
Series
WrongResult
Restrict-AddIssueComment-Commit
|
4116
|
Duplicate |
Stray uses of Python 2 specific methods in unified code base - specifically iteritems()
Type-Defect
Priority-Medium
Python3
Restrict-AddIssueComment-Commit
|
4115
|
Valid |
Move old assumptions from Basic to Expr
Type-Defect
Priority-Medium
Assumptions
Restrict-AddIssueComment-Commit
|
4114
|
Fixed |
ImmutableMatrix.is_zero is always False
Type-Defect
Priority-Medium
Matrices
WrongResult
Restrict-AddIssueComment-Commit
|
4113
|
Valid |
Refactor _eval_nseries methods for sympy/functions/
Type-Enhancement
Priority-Medium
Series
Restrict-AddIssueComment-Commit
|
4112
|
Fixed |
solve doesn't work with rational=True
Type-Defect
Priority-Medium
Solvers
NeedsReview
smichr
Restrict-AddIssueComment-Commit
|
4111
|
Valid |
uses of iteritems should be removed (todo: tests)
Type-Defect
Priority-Medium
Python3
Restrict-AddIssueComment-Commit
|
4110
|
Valid |
timeit test failure
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4109
|
New |
Binomial probability density doesn't work
Type-Defect
Priority-Medium
Statistics
Restrict-AddIssueComment-Commit
|
4108
|
Fixed |
Order at oo is wrong
Type-Defect
Priority-Medium
Series
WrongResult
Restrict-AddIssueComment-Commit
|
4107
|
Valid |
Equality of unequal matrices does not reduce to False
Type-Defect
Priority-Medium
Matrices
Restrict-AddIssueComment-Commit
|
4106
|
Invalid |
Diophantine Equations module missing some solutions
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4105
|
Valid |
Matrix could use a free_symbols method
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4104
|
New |
Series expansion of trig functions incorrect, except around 0
Type-Defect
Priority-Medium
Series
WrongResult
Restrict-AddIssueComment-Commit
|
4103
|
Valid |
Several slow test failures
Type-Defect
Priority-Medium
Milestone-Release0.7.4
Restrict-AddIssueComment-Commit
|
4102
|
Fixed |
Matrix addition does NOT preserve matrix shape
Type-Defect
Priority-Medium
Matrices
NeedsReview
smichr
Restrict-AddIssueComment-Commit
|
4101
|
New |
long time on calculate eigenvects
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4100
|
Valid |
chopping occurs too early in Mul
Type-Defect
Priority-Medium
Evalf
Restrict-AddIssueComment-Commit
|
4099
|
Valid |
Failing slow test
Type-Defect
Priority-Medium
Polynomial
Restrict-AddIssueComment-Commit
|
4098
|
Valid |
Removal of bool_equal
Type-Defect
Priority-Medium
DeprecationRemoval
Restrict-AddIssueComment-Commit
|
4097
|
Valid |
A relatively straightforward integral like sqrt(x/(a-x)) (0 < x <=a ) fails
Type-Defect
Priority-Medium
Integration
Restrict-AddIssueComment-Commit
|
4096
|
Valid |
Poly.coeff works only after .simply().expand()
Type-Enhancement
Priority-Medium
Polynomial
Restrict-AddIssueComment-Commit
|
4095
|
NeedsDecision |
Unicode pretty print of I
Type-Enhancement
Priority-Medium
Printing
EasyToFix
Restrict-AddIssueComment-Commit
|
4094
|
Fixed |
Add note about chop option to the evalf section of the tutorial
Type-Defect
Priority-Medium
EasyToFix
Documentation
Restrict-AddIssueComment-Commit
|
4093
|
Valid |
log(x).evalf(subs={x: 0}) gives TypeError: 'NoneType' object is not iterable
Type-Defect
Priority-Medium
Evalf
Restrict-AddIssueComment-Commit
|
4092
|
Fixed |
simplify misses a simplification!
Type-Defect
Priority-Medium
Simplify
Restrict-AddIssueComment-Commit
|
4091
|
Fixed |
Cannot solve log(x+3) + log(x-3)=0
Type-Defect
Priority-Medium
Solvers
Simplify
Restrict-AddIssueComment-Commit
|
4090
|
Valid |
Poly.real_roots may return non-real roots
Type-Defect
Priority-Medium
Polynomial
Solvers
WrongResult
Restrict-AddIssueComment-Commit
|
4089
|
Invalid |
Matrix object does not accept being summed when inside a list and using built-in sum()
Type-Defect
Priority-Medium
Matrices
Restrict-AddIssueComment-Commit
|
4088
|
Duplicate |
Collect Commutes Quantum Operators
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4087
|
Valid |
Docs don't build in Python 3
Type-Defect
Priority-Medium
Documentation
Python3
Restrict-AddIssueComment-Commit
|
4086
|
Valid |
ode doctests are too slow
Type-Defect
Priority-Medium
Solvers
Restrict-AddIssueComment-Commit
|
4085
|
Valid |
Python 3.3 bin/test --no-subprocess says hash randomization is off
Type-Defect
Priority-Medium
Testing
Python3
Restrict-AddIssueComment-Commit
|
4084
|
New |
fibonacci(n).rewrite(sqrt) returns fibonacci(n)
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4083
|
Valid |
mellin_transform(besselj(3, x)/x**3, x, s) wrong result
Type-Defect
Priority-Medium
Integration
WrongResult
Restrict-AddIssueComment-Commit
|
4082
|
New |
mellin_transform(1/(1 - x), x, s) maximum recursion depth exceeded
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4081
|
Started |
Equivalent doesn't sort args
Type-Defect
Priority-Medium
Logic
Printing
Restrict-AddIssueComment-Commit
|
4080
|
Valid |
Pretty print Not(Equivalent) and Not(Implies)
Type-Enhancement
Priority-Medium
Printing
Logic
EasyToFix
Restrict-AddIssueComment-Commit
|
4079
|
Valid |
fourier_transform(1, x, z) returns 0
Type-Defect
Priority-Medium
Integration
WrongResult
Restrict-AddIssueComment-Commit
|
4078
|
New |
laplace_transform(Sum((-1)**n*Heaviside(t - n*a), (n, 1, oo)), t, s) not calculated
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4077
|
New |
laplace_transform(diff(y(t), t, 2), t, s) not calculated
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4076
|
Valid |
Improvements to logic module
Type-Enhancement
Priority-Medium
Logic
Restrict-AddIssueComment-Commit
|
4075
|
Valid |
More efficient to_cnf
Type-Defect
Priority-High
Assumptions
Logic
Restrict-AddIssueComment-Commit
|
4074
|
Valid |
laplace_transform(sinh(w*t)*cosh(w*t), t, s)
Type-Defect
Priority-Medium
Polynomial
Simplify
Integration
Restrict-AddIssueComment-Commit
|
4073
|
Valid |
Cannot solve x^2*Derivative(y(x), x, x) + x*Derivative(y(x), x) - 1
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4072
|
New |
sin(x).rewrite(pow) raises RuntimeError: maximum recursion depth
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4071
|
Fixed |
Add sympy.cbrt
Type-Defect
Priority-Medium
EasyToFix
Restrict-AddIssueComment-Commit
|
4070
|
Valid |
Subs instance fails with evaluation
Type-Defect
Priority-Low
Evalf
Restrict-AddIssueComment-Commit
|
4069
|
Valid |
series(log(x)**a*exp(-b*x), x, x0=1, n=2) wrong result
Type-Defect
Priority-Medium
Series
Restrict-AddIssueComment-Commit
|
4068
|
Fixed |
series(sqrt(sec(x)), x, x0=pi*3/2, n=4) raises PoleError
Type-Defect
Priority-Medium
Series
Restrict-AddIssueComment-Commit
|
4067
|
Fixed |
series(sqrt(sec(x))) raises NotImplementedError
Type-Defect
Priority-Medium
Series
Restrict-AddIssueComment-Commit
|
4066
|
Valid |
integrate(abs(y - x**2), (y,0,2)) raises ValueError: gamma function pole
Type-Defect
Priority-Medium
Assumptions
Integration
Evalf
Restrict-AddIssueComment-Commit
|
4065
|
Valid |
integrate(integrate(x/(x**2 + y**2), (y, -oo, oo)), (x, a, b)) maximum recursion depth exceeded
Type-Defect
Priority-Medium
Integration
Restrict-AddIssueComment-Commit
|
4064
|
Valid |
integrate((sign(x - 1) - sign(x - 2))*cos(x), x) raises TypeError: doit() got an unexpected keyword argument 'manual'
Type-Defect
Priority-Medium
EasyToFix
Restrict-AddIssueComment-Commit
|
4063
|
Duplicate |
checksol uses "is" which rejects non-sanitized assumptions
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4062
|
Valid |
integrate(sqrt(x + 1/x - 2), (x, 0, 1)) not calculated
Type-Defect
Priority-Medium
Integration
Restrict-AddIssueComment-Commit
|
4061
|
New |
Wrong result for integrate(1/(x - y)**2, (x, y - 1, y + 1))
Type-Defect
Priority-Medium
Integration
WrongResult
Restrict-AddIssueComment-Commit
|
4060
|
Valid |
Wrong result for integrate(1/(x - y), (x, y - 1, y + 1))
Type-Defect
Priority-Medium
Integration
WrongResult
Restrict-AddIssueComment-Commit
|
4059
|
New |
integral simplify() raises
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4058
|
Valid |
correct integrate() result in python2.7.4, but wrong in python3.3
Type-Defect
Priority-Medium
Integration
Restrict-AddIssueComment-Commit
|
4057
|
Fixed |
CoercionFailed regression in 0.7.3
Type-Defect
Priority-Medium
Polynomial
Restrict-AddIssueComment-Commit
|
4056
|
Valid |
Integration not successful
Type-Defect
Priority-Medium
Integration
Restrict-AddIssueComment-Commit
|
4055
|
Valid |
Unable to calculate numerical value of the integral
Type-Defect
Priority-Medium
Integration
Restrict-AddIssueComment-Commit
|
4054
|
Valid |
Add option to Unicode printer to disable combining accents
Type-Enhancement
Priority-Medium
Printing
Restrict-AddIssueComment-Commit
|
4053
|
Fixed |
documentation error about immutability
Type-Defect
Priority-Medium
Documentation
Restrict-AddIssueComment-Commit
|
4052
|
Valid |
Use @task in the release fabfile
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4051
|
Valid |
xreplace and Transform doesn't go deep enough
Type-Defect
Priority-Medium
Core
Restrict-AddIssueComment-Commit
|
4050
|
Valid |
integrate((3*x - 5)**2/(2*x - 1)**(7/2), x) _CoeffExpValueError
Type-Defect
Priority-Medium
Integration
Restrict-AddIssueComment-Commit
|
4049
|
Valid |
init_printing breaks the IPython Notebook
Type-Defect
Priority-High
Restrict-AddIssueComment-Commit
|
4048
|
Valid |
integrate(x/sqrt(a*x**2+b*x+c)**3, x) does not compute
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4047
|
Valid |
Matrix.rank and .rref do not properly support symbols
Type-Enhancement
Priority-Medium
Matrices
Assumptions
Restrict-AddIssueComment-Commit
|
4046
|
Valid |
solving equation with multiple abs runs into problems if symbols are real
Type-Defect
Priority-Medium
Solvers
NeedsReview
smichr
Restrict-AddIssueComment-Commit
|
4045
|
Invalid |
word 'Matrix' is present when displaying a matrix
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4044
|
Valid |
Avoid NotImplementedError: Cannot work with non-rational coefficients in this case. in risch_integrate()
Type-Defect
Priority-Medium
Integration
Restrict-AddIssueComment-Commit
|
4043
|
New |
simplify giving an error: "AttributeError: 'And' object has no attribute 'as_numer_denom'"
Type-Defect
Priority-Medium
Simplify
Restrict-AddIssueComment-Commit
|
4042
|
Started |
Deprecate GA_Printer.on()/off() in favor of context manager
Type-Defect
Priority-Medium
DeprecationRemoval
Restrict-AddIssueComment-Commit
|
4041
|
Started |
'Series' undefined in sympy/plotting/plot.py
Type-Defect
Priority-Medium
Plotting
EasyToFix
Documentation
NeedsReview
Restrict-AddIssueComment-Commit
|
4040
|
Invalid |
limit(exp(x*exp(-x)/(exp(-x) + exp(-2*x**2/(x + 1))) - exp(x))/x, x, oo) returns 0
Type-Defect
Priority-Medium
Restrict-AddIssueComment-Commit
|
4039
|
Valid |
How to solve system of differential equations with symbolic solution?
Type-Defect
Priority-Medium
Solvers
Restrict-AddIssueComment-Commit
|