sympy


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