103 messages from Google Code

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Re: Issue 1218 in sympy: Can't access the planet feed
Re: Issue 1226 in sympy: try corepy for compilef.py
Re: Issue 1228 in sympy: "import sympy" prints warning
Re: Issue 1214 in sympy: integrate cannot integrate more complex Piecewise
functions
Re: Issue 1224 in sympy: some errors in limit function
Re: Issue 1215 in sympy: fix html documentation
Re: Issue 1222 in sympy: numpy.array(Matrix()) dump and then load fails
Re: Issue 1229 in sympy: Simplification of sqrts
Re: Issue 1221 in sympy: collect(-x/8 + x*y, -x) fails
Re: Issue 1216 in sympy: series expansion of piecewise fails
Re: Issue 1233 in sympy: fix the rest of jython bugs
Re: Issue 1217 in sympy: make sympy work with the Sage's integral test
Re: Issue 1227 in sympy: Integration failure
Re: Issue 1223 in sympy: bin/tests improvements: automatic wrap
Re: Issue 1232 in sympy: add jython howto to our docs
Re: Issue 1213 in sympy: limit(1+2*((H-h)/h+(H-h)**2/h**2 * log(1-h/H)), h,
0) fails
Re: Issue 1219 in sympy: .coeff() fails for -x/8 + x*y
Re: Issue 1234 in sympy: solve() should give all solutions
Re: Issue 1230 in sympy: limit((tan x)**(tan 2x), x, pi/4) doesnt work
Re: Issue 1212 in sympy: integrate(x*abs(9-x**2), x) fails
Re: Issue 1225 in sympy: Matrix.evalf(chop=True) Inconsistancy
Re: Issue 1220 in sympy: w = Wild("coeff") fails
Re: Issue 1231 in sympy: improve debugging of limits
Re: Issue 1238 in sympy: Real don't manage unicode argument
Re: Issue 1249 in sympy: Improve LaTeX Printing Support
Re: Issue 1244 in sympy: ask(x + exp(x), Q.positive, Assume(x, Q.real)
returns None
Re: Issue 1235 in sympy: Problem installing in Windows
Re: Issue 1250 in sympy: incorrect output at sympy.latex()
Re: Issue 1241 in sympy: Add LaTeX printer support for outputting
(<x>)^(a/b) as an inline fraction
Re: Issue 1247 in sympy: LaTeX name parameter for symbols
Re: Issue 1236 in sympy: Pretty-printing problem (minus sign in front of
derivative)
Re: Issue 1252 in sympy: tests fails with cache turned off
Re: Issue 1243 in sympy: bug in trim()
Re: Issue 1242 in sympy: Simplifying of complex exponentials
Re: Issue 1239 in sympy: decimals should be rationals (!)
Re: Issue 1251 in sympy: calling test() twice fails
Re: Issue 1245 in sympy: 'Method of brackets' for definite integrals
Re: Issue 1240 in sympy: sin(atan(x)) and cos(atan(x)) are not simplified
Re: Issue 1237 in sympy: second quantization implemented
Re: Issue 1253 in sympy: enhance the solver to handle inequalities
Re: Issue 1246 in sympy: improve solve() to handle absolute values
Re: Issue 1248 in sympy: Improve LaTeX printing support
Re: Issue 1256 in sympy: try patchwork for patch reviewing
Re: Issue 1254 in sympy: let's call bin/doctest from "./setup.py test"
Re: Issue 1268 in sympy: allow lambdify to take vectors and matrices are
arguments
Re: Issue 1259 in sympy: copy pickle tests fail on python2.4
Re: Issue 1267 in sympy: improve our str printer: 1/cos(x)*sin(x) ->
sin(x)/cos(x)
Re: Issue 1260 in sympy: the solver fix broke python -Qnew tests
Re: Issue 1270 in sympy: documentation for RSolve
Re: Issue 1271 in sympy: Implement rsolve
Re: Issue 1258 in sympy: BasicMeta classes cannot be compared with numbers
Re: Issue 1265 in sympy: +oo < pi
Re: Issue 1257 in sympy: factorint(1030903) fall into infinite loop
Re: Issue 1264 in sympy: Discrepancies between running the full test suite
and individual tests
Re: Issue 1255 in sympy: fix planet.sympy.org
Re: Issue 1261 in sympy: incorrect exponentiation with non-commutative
symbols
Re: Issue 1266 in sympy: update SympyDevelopment
Re: Issue 1262 in sympy: fix sympy to work in python3.0
Re: Issue 1272 in sympy: remove canonize
Re: Issue 1263 in sympy: Invalid movement of roots across fractions
Re: Issue 1274 in sympy: trigsimp doesn't like decimals
Re: Issue 1273 in sympy: export mathml by default
Re: Issue 1269 in sympy: lseries hangs
Re: Issue 1277 in sympy: Exception in trivial integral
Re: Issue 1284 in sympy: more tests for the solvers module
Re: Issue 1283 in sympy: can't print tuples to mathml
Re: Issue 1282 in sympy: missing \times in latex output
Re: Issue 1290 in sympy: build docs without downloading sphinx
Re: Issue 1291 in sympy: reduce the import sympy time
Re: Issue 1281 in sympy: bench_float is broken
Re: Issue 1280 in sympy: integrate(1/((a-x)*(b-x)), x) is giving too
complex results (probably correct)
Re: Issue 1275 in sympy: tsolve errors on exponentials
Re: Issue 1293 in sympy: Implemented s.s.d.Sample.median
Re: Issue 1286 in sympy: whitespace problem
Re: Issue 1294 in sympy: dsolve does not recognize certain linear first
order ODEs
Re: Issue 1285 in sympy: documentation for sum
Re: Issue 1278 in sympy: galgebra test lacks documentation
Re: Issue 1289 in sympy: Improvements to integer factorization
Re: Issue 1276 in sympy: solve(-1 + x**2 +
0.111111111111111*(1.00000000000000 + 2.00000000000000*x)**2,x) fails
Re: Issue 1292 in sympy: raise NotImplementedError in Basic.__call__()
Re: Issue 1295 in sympy: Basic class depends on Function and vice versa
Re: Issue 1287 in sympy: os imported by sympy
Re: Issue 1288 in sympy: update mpmath
Re: Issue 1303 in sympy: Simplify not cancelling fractions correctly
Re: Issue 1310 in sympy: Complex numbers break print_mathml
Re: Issue 1302 in sympy: Raising complex numbers to fractional powers
Re: Issue 1300 in sympy: series() gives less terms than expected
Re: Issue 1301 in sympy: Exception while integrating x**n * log(x)
Re: Issue 1297 in sympy: examples don't run
Re: Issue 1296 in sympy: some problem with notcommutative algebra
Re: Issue 1309 in sympy: implement backward chaining for rules
Re: Issue 1308 in sympy: simplify gives error on expressions containing
exp()
Re: Issue 1304 in sympy: Integrate sqrt(x**2 + y**2) fails
Re: Issue 1311 in sympy: Integrals break print_mathml
Re: Issue 1299 in sympy: Add different LaTeX output styles for inverse trig
functions
Re: Issue 1305 in sympy: sympy.roots not working for slightly more
complicated polynomials
Re: Issue 1307 in sympy: limit((3**(1/x)+5**(1/x))**x, x, 0) does not work
Re: Issue 1312 in sympy: provide a way to calculate the constant
coefficient of a polynomial
Re: Issue 1314 in sympy: make textplot compatible with Plot
Re: Issue 1298 in sympy: Function brackets are not always folded
Re: Issue 1306 in sympy: Test the rst docs' pretty printing
Re: Issue 1315 in sympy: Implement Lienard ODEs to solve Lane-Emden
equation.
Re: Issue 1313 in sympy: poly_gcd should not be exported as a top-level
function

[sy...@googlecode.com]

Your project notifications generated too many emails to send
individually. Here are the subject lines of the emails you would have
received:

Re: Issue 2330 in sympy: sqrt(I).conjugate() is wrong
Re: Issue 2344 in sympy: Dev ide by saptman work
Re: Issue 2340 in sympy: Float(1) returns Integer
Re: Issue 2332 in sympy: Problem with substituting a term in an Integral
Re: Issue 2343 in sympy: as_poly returns None
Re: Issue 2331 in sympy: Recursion error with homogeneous_order(-log(x) +
acosh(x), x)
Re: Issue 2346 in sympy: Symbols should only be equal if they have the same
assumptions
Re: Issue 2326 in sympy: Limits in the extended real numbers
Re: Issue 2337 in sympy: limit(exp(x*y),x,oo) causes RuntimeError
Re: Issue 2329 in sympy: Should Poly use an algebraic domain by default?
Re: Issue 2335 in sympy: Recursion error with
diff(Integral(F(t)*sin(c*xi*t)/c*xi, (x, 0, t))*cos(c*xi*t), t).subs(t, 0)
Re: Issue 2339 in sympy: test_code_quality and strip_whitespace should
enforce exactly one newline at the end of a file
Re: Issue 2336 in sympy: unevaluated Limit uses non-Basic arg
Re: Issue 2341 in sympy: The test utility should clear the cache.
Re: Issue 2338 in sympy: Use predicates and propositions instead of "Assume
objects"
Re: Issue 2333 in sympy: powsimp is iterating over a dictionary that is
deleted during iteration
Re: Issue 2345 in sympy: Added method for solving a system of first order
linear ODEs.
Re: Issue 2328 in sympy: expand() doesn't parse bad hints correctly
Re: Issue 2327 in sympy: sqrt(I) should return sqrt(2)/2 + sqrt(2)/2*I by
default
Re: Issue 2334 in sympy: Implement solvers for Cauchy-Euler differential
equations
Re: Issue 2342 in sympy: as_coefficient error
Re: Issue 2355 in sympy: Should we .gitignore .patch and .rej files?
Re: Issue 2357 in sympy: bugs in PythonRationalType
Re: Issue 2359 in sympy: Ways to print Rationals so that they are
copy-pastable
Re: Issue 2358 in sympy: keep_sign should be cached
Re: Issue 2351 in sympy: Summation by parts
Re: Issue 2365 in sympy: solve(inequality) should have an option to return
a set of intervals
Re: Issue 2348 in sympy: simplify gamma(x+1)/gamma(x)
Re: Issue 2354 in sympy: Put all printing orderings in one central location
Re: Issue 2367 in sympy: SymPy's readthedocs documentation is broken
Re: Issue 2366 in sympy: factor() doesn't work on fractions.
Re: Issue 2356 in sympy: Plot should plot polygons
Re: Issue 2347 in sympy: Basic sums not solved
Re: Issue 2353 in sympy: Warnings printed in the geometry tests
Re: Issue 2352 in sympy: Remove Ellipse.distance_to_center()
Re: Issue 2363 in sympy: integrate(1/(x**2+y**2)**(Rational(3,2)),x) fails
Re: Issue 2361 in sympy: Mul.flatten needs to watch for the unevaluated Mul
Re: Issue 2349 in sympy: Match p**(s-x) for s!=x should return p=x
Re: Issue 2350 in sympy: Sum(1/i, (i, 1, n)) should return harmonic(n)
Re: Issue 2364 in sympy: Print Ands of inequalities returned from solve()
better
Re: Issue 2360 in sympy: Bug in geometry intersection
Re: Issue 2362 in sympy: spurious imaginary component during evalf
Re: Issue 2379 in sympy: sympy.utilities.decorator.wraps should be
compatible with functools.wraps
Re: Issue 2387 in sympy: Evalf of trig functions with imaginary arguments
Re: Issue 2372 in sympy: Wiki page on running/writing tests
Re: Issue 2373 in sympy: typo in printing/latex.py
Re: Issue 2388 in sympy: The value of str(expr) depends on a global setting
Re: Issue 2383 in sympy: sqrt(-2*x*neg) gives wrong expansion
Re: Issue 2389 in sympy: Remove deprecated __contains__ methods
Re: Issue 2378 in sympy: Remove Expr._op_priority and @call_highest_priority
Re: Issue 2385 in sympy: use sort_key instead of old comparison system
Re: Issue 2381 in sympy: Decorated functions do not include their original
signature
Re: Issue 2375 in sympy: should symbols with the same name be able to have
different assumptions?
Re: Issue 2386 in sympy: gosper(...) is missing tests and docstring
Re: Issue 2384 in sympy: Polynomial evaluation bug
Re: Issue 2376 in sympy: should subs use strict=True when sympifying?
Re: Issue 2374 in sympy: the 'exact' keyword should be removed from coeff
Re: Issue 2371 in sympy: Completely untested modules in sympy.polys
Re: Issue 2368 in sympy: AttributeError: 'Tuple' object has no
attribute 'as_coeff_add' with .replace(Wild expression, Wild expression)
Re: Issue 2370 in sympy: Create a warning_raises() function for testing
warnings
Re: Issue 2380 in sympy: as_independent is broken
Re: Issue 2377 in sympy: expand(log=True) could use a force option
Re: Issue 2382 in sympy: Tuple needs ._to_mpmath
Re: Issue 2369 in sympy: __init__.py import order is not correct
Re: Issue 2402 in sympy: integration3-backport
Re: Issue 2401 in sympy: Lambda doesn't pretty print any more
Re: Issue 2408 in sympy: Error in rsolve
Re: Issue 2391 in sympy: Factor out old-style assumptions
Re: Issue 2405 in sympy: solve and solve_poly_system can give ambiguous
results
Re: Issue 2397 in sympy: log.as_numer_denom is doing the log expansion
Re: Issue 2394 in sympy: Inconsistent Binomial behavior
Re: Issue 2392 in sympy: Inconsistent solve behavior
Re: Issue 2399 in sympy: use free_symbols in Integral.transform
Re: Issue 2390 in sympy: factor(sqrt(x*y), expand=False) -> sqrt(x)*sqrt(y)
Re: Issue 2407 in sympy: Rsolve introduces unknown symbols
Re: Issue 2395 in sympy: Factorial simplification
Re: Issue 2404 in sympy: PolificationFailed needs to be imported in polysys
Re: Issue 2400 in sympy: use deep in simplify's together call
Re: Issue 2398 in sympy: remove msolve after 2 years of warning
Re: Issue 2403 in sympy: simplify could accept more symbol containers
Re: Issue 2396 in sympy: RegularPolygon rotate is only spinning the RP, not
rotating it.
Re: Issue 2393 in sympy: Sum error
Re: Issue 2406 in sympy: improve Tuple constructor
Re: Issue 2418 in sympy: Interval.evalf() returns a mpmath interval
Re: Issue 2423 in sympy: Rotation.d function incorrect evaluation
Re: Issue 2411 in sympy: Revert _op_priority deletion
Re: Issue 2424 in sympy: Cartesian Product Set
Re: Issue 2409 in sympy: variable undefined
Re: Issue 2415 in sympy: Poly(x, x) * I != I * Poly(x, x)
Re: Issue 2421 in sympy: python(expr) issues
Re: Issue 2426 in sympy: solve uses .degree instead of .degree()
Re: Issue 2413 in sympy: Printing performance (_compare_pretty)
Re: Issue 2412 in sympy: Sketch of Sister Celine's algorithm
Re: Issue 2419 in sympy: Finite Sets
Re: Issue 2427 in sympy: use free_symbols, not .atoms() or .atoms(Symbol)
Re: Issue 2410 in sympy: Setting range for variables
Re: Issue 2417 in sympy: srepr doesn't respect order argument
Re: Issue 2416 in sympy: Exponential function exp(I*k**2*pi) simplifies to
-1
Re: Issue 2425 in sympy: Pretty printing bug
Re: Issue 2422 in sympy: Printing of rational functions with floats could
be better
Re: Issue 2428 in sympy: PolificationFailed needs to be imported in polysys
Re: Issue 2414 in sympy: [Feature request] Deferred expressions
Re: Issue 2420 in sympy: Refactor EPath

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Your project notifications generated too many emails to send
individually. Here are the subject lines of the emails you would have
received:

Re: Issue 4045 in sympy: word 'Matrix' is present when displaying a matrix
Re: Issue 4039 in sympy: How to solve system of differential equations with
symbolic solution?
Re: Issue 4032 in sympy: trigsimp() TypeError: symbolic boolean expression
has no truth value.
Re: Issue 4043 in sympy: simplify giving an error: "AttributeError: 'And'
object has no attribute 'as_numer_denom'"
Re: Issue 4044 in sympy: Avoid NotImplementedError: Cannot work with
non-rational coefficients in this case. in risch_integrate()
Re: Issue 4035 in sympy: fibonacci(n) + fibonacci(n + 1) not simplified
Re: Issue 4034 in sympy: concrete/products.py: _eval_product() infinite
recursion
Re: Issue 4037 in sympy: Product(1 - 1/(2*k)**2, (k,1,oo)).doit() returns
nan
Re: Issue 4040 in sympy: limit(exp(x*exp(-x)/(exp(-x) + exp(-2*x**2/(x +
1))) - exp(x))/x, x, oo) returns 0
Re: Issue 4036 in sympy: rewrite(binomial) does not convert factorial
expression
Re: Issue 4033 in sympy: Add evaluation for polylog
Re: Issue 4048 in sympy: integrate(x/sqrt(a*x**2+b*x+c)**3, x) does not
compute
Re: Issue 4038 in sympy: Product().doit().simplify() raises OverflowError:
cannot convert float infinity to integer
Re: Issue 4046 in sympy: solving equation with multiple abs runs into
problems if symbols are real
Re: Issue 4041 in sympy: 'Series' undefined in sympy/plotting/plot.py
Re: Issue 4042 in sympy: Deprecate GA_Printer.on()/off() in favor of
context manager
Re: Issue 4047 in sympy: Matrix.rank and .rref do not properly support
symbols
Re: Issue 4059 in sympy: integral simplify() raises
Re: Issue 4050 in sympy: integrate((3*x - 5)**2/(2*x - 1)**(7/2), x)
_CoeffExpValueError
Re: Issue 4058 in sympy: correct integrate() result in python2.7.4, but
wrong in python3.3
Re: Issue 4069 in sympy: series(log(x)**a*exp(-b*x), x, x0=1, n=2) wrong
result
Re: Issue 4056 in sympy: Integration not successful
Re: Issue 4049 in sympy: init_printing breaks the IPython Notebook
Re: Issue 4051 in sympy: xreplace and Transform doesn't go deep enough
Re: Issue 4064 in sympy: integrate((sign(x - 1) - sign(x - 2))*cos(x), x)
raises TypeError: doit() got an unexpected keyword argument 'manual'
Re: Issue 4067 in sympy: series(sqrt(sec(x))) raises NotImplementedError
Re: Issue 4063 in sympy: checksol uses "is" which rejects non-sanitized
assumptions
Re: Issue 4053 in sympy: documentation error about immutability
Re: Issue 4062 in sympy: integrate(sqrt(x + 1/x - 2), (x, 0, 1)) not
calculated
Re: Issue 4052 in sympy: Use @task in the release fabfile
Re: Issue 4066 in sympy: integrate(abs(y - x**2), (y,0,2)) raises
ValueError: gamma function pole
Re: Issue 4061 in sympy: Wrong result for integrate(1/(x - y)**2, (x, y -
1, y + 1))
Re: Issue 4060 in sympy: Wrong result for integrate(1/(x - y), (x, y - 1, y
+ 1))
Re: Issue 4068 in sympy: series(sqrt(sec(x)), x, x0=pi*3/2, n=4) raises
PoleError
Re: Issue 4054 in sympy: Add option to Unicode printer to disable combining
accents
Re: Issue 4055 in sympy: Unable to calculate numerical value of the integral
Re: Issue 4057 in sympy: CoercionFailed regression in 0.7.3
Re: Issue 4065 in sympy: integrate(integrate(x/(x**2 + y**2), (y, -oo,
oo)), (x, a, b)) maximum recursion depth exceeded
Re: Issue 4081 in sympy: Equivalent doesn't sort args
Re: Issue 4077 in sympy: laplace_transform(diff(y(t), t, 2), t, s) not
calculated
Re: Issue 4080 in sympy: Pretty print Not(Equivalent) and Not(Implies)
Re: Issue 4083 in sympy: mellin_transform(besselj(3, x)/x**3, x, s) wrong
result
Re: Issue 4086 in sympy: ode doctests are too slow
Re: Issue 4079 in sympy: fourier_transform(1, x, z) returns 0
Re: Issue 4076 in sympy: Improvements to logic module
Re: Issue 4087 in sympy: Docs don't build in Python 3
Re: Issue 4082 in sympy: mellin_transform(1/(1 - x), x, s) maximum
recursion depth exceeded
Re: Issue 4084 in sympy: fibonacci(n).rewrite(sqrt) returns fibonacci(n)
Re: Issue 4088 in sympy: Collect Commutes Quantum Operators
Re: Issue 4070 in sympy: Subs instance fails with evaluation
Re: Issue 4074 in sympy: laplace_transform(sinh(w*t)*cosh(w*t), t, s)
Re: Issue 4072 in sympy: sin(x).rewrite(pow) raises RuntimeError: maximum
recursion depth
Re: Issue 4075 in sympy: More efficient to_cnf
Re: Issue 4085 in sympy: Python 3.3 bin/test --no-subprocess says hash
randomization is off
Re: Issue 4073 in sympy: Cannot solve x^2*Derivative(y(x), x, x) +
x*Derivative(y(x), x) - 1
Re: Issue 4078 in sympy: laplace_transform(Sum((-1)**n*Heaviside(t - n*a),
(n, 1, oo)), t, s) not calculated
Re: Issue 4071 in sympy: Add sympy.cbrt
Re: Issue 4093 in sympy: log(x).evalf(subs={x: 0}) gives
TypeError: 'NoneType' object is not iterable
Re: Issue 4105 in sympy: Matrix could use a free_symbols method
Re: Issue 4095 in sympy: Unicode pretty print of I
Re: Issue 4107 in sympy: Equality of unequal matrices does not reduce to
False
Re: Issue 4100 in sympy: chopping occurs too early in Mul
Re: Issue 4104 in sympy: Series expansion of trig functions incorrect,
except around 0
Re: Issue 4102 in sympy: Matrix addition does NOT preserve matrix shape
Re: Issue 4094 in sympy: Add note about chop option to the evalf section of
the tutorial
Re: Issue 4089 in sympy: Matrix object does not accept being summed when
inside a list and using built-in sum()
Re: Issue 4106 in sympy: Diophantine Equations module missing some solutions
Re: Issue 4101 in sympy: long time on calculate eigenvects
Re: Issue 4098 in sympy: Removal of bool_equal
Re: Issue 4103 in sympy: Several slow test failures
Re: Issue 4090 in sympy: Poly.real_roots may return non-real roots
Re: Issue 4108 in sympy: Order at oo is wrong
Re: Issue 4092 in sympy: simplify misses a simplification!
Re: Issue 4091 in sympy: Cannot solve log(x+3) + log(x-3)=0
Re: Issue 4096 in sympy: Poly.coeff works only after .simply().expand()
Re: Issue 4099 in sympy: Failing slow test
Re: Issue 4097 in sympy: A relatively straightforward integral like
sqrt(x/(a-x)) (0 < x <=a ) fails
Re: Issue 4109 in sympy: Binomial probability density doesn't work
Re: Issue 4112 in sympy: solve doesn't work with rational=True
Re: Issue 4113 in sympy: Refactor _eval_nseries methods for sympy/functions/
Re: Issue 4124 in sympy: expand_complex(I*oo) gives nan
Re: Issue 4111 in sympy: uses of iteritems should be removed (todo: tests)
Re: Issue 4114 in sympy: ImmutableMatrix.is_zero is always False
Re: Issue 4126 in sympy: tikz backend for plot
Re: Issue 4116 in sympy: Stray uses of Python 2 specific methods in unified
code base - specifically iteritems()
Re: Issue 4118 in sympy: deprecate submatrix
Re: Issue 4122 in sympy: Egyptian fractions
Re: Issue 4119 in sympy: Sympy Logic Module: implication have too high
precedence
Re: Issue 4115 in sympy: Move old assumptions from Basic to Expr
Re: Issue 4121 in sympy: Error in the integrator
Re: Issue 4125 in sympy: Issues with Bessel functions
Re: Issue 4117 in sympy: Limits involving branch cuts of elementary
functions not handled
Re: Issue 4110 in sympy: timeit test failure
Re: Issue 4120 in sympy: Make Laplace transform work on undefined functions
Re: Issue 4123 in sympy: Rational.__lt__ and friends needs to watch for nan
Re: Issue 4133 in sympy: Suggestion: implement classical orthogonal
polynomials
Re: Issue 4134 in sympy: N(Max(0.0, n + m)) returns Max(1.0, n + m)
Re: Issue 4131 in sympy: precision of mpmath in Sympy
Re: Issue 4128 in sympy: fix comparisons oo/zoo with complex numbers, e.g.
oo<I
Re: Issue 4130 in sympy: Add scipy to lambdify
Re: Issue 4132 in sympy: evaluating series() twice for a generic function
at a generic point fails
Re: Issue 4127 in sympy: "Geometric Algebra" Documentation missing
Re: Issue 4129 in sympy: Solve produces multiple answer