Comment #6 on issue 3581 by khageshp...@gmail.com: Implement
arg.rewrite(atan2)
http://code.google.com/p/sympy/issues/detail?id=3581
Sir can you please tell me what exactly we want to achieve here? For
example arg(3+2*I)already returns atan(2/3) and to get its numeric value we
can simply
Comment #11 on issue 3715 by t.hi...@gmail.com: ufuncify with logarithms
http://code.google.com/p/sympy/issues/detail?id=3715
This depends on the used compiler. I assume that most compilers, especially
gfortran, are clever enough to evaulate such expressions at compile time.
See
Comment #7 on issue 3656 by khageshp...@gmail.com: Fancy indexing in Matrix
http://code.google.com/p/sympy/issues/detail?id=3656
https://github.com/sympy/sympy/pull/1954
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Comment #2 on issue 3729 by smi...@gmail.com: integrate fail
http://code.google.com/p/sympy/issues/detail?id=3729
Until that is fixed,
integrate(nsimplify(1/(1.08*x**2-4.3)), x)
5*sqrt(1290)*log(x - sqrt(1290)/18)/774 - 5*sqrt(1290)*log(x +
sqrt(1290)/18)/77
4
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Labels: NeedsReview smichr
Comment #2 on issue 3722 by smi...@gmail.com: solve can try split equation
into real and imaginary parts
http://code.google.com/p/sympy/issues/detail?id=3722
https://github.com/sympy/sympy/pull/1925
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Comment #1 on issue 3720 by smi...@gmail.com: powsimp should be attempted
for multiple generators case in solve
http://code.google.com/p/sympy/issues/detail?id=3720
https://github.com/sympy/sympy/pull/1925
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Updates:
Cc: matt...@gmail.com
Comment #4 on issue 3721 by smi...@gmail.com: solve should handle more than
one abs
http://code.google.com/p/sympy/issues/detail?id=3721
from sympy.solvers.inequalities import reduce_inequalities as ri
ri(abs(x-3)-2*(x+1))
Traceback (most recent call
Updates:
Labels: NeedsReview smichr
Comment #5 on issue 3721 by smi...@gmail.com: solve should handle more than
one abs
http://code.google.com/p/sympy/issues/detail?id=3721
https://github.com/sympy/sympy/pull/1925
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Comment #7 on issue 3581 by khageshp...@gmail.com: Implement
arg.rewrite(atan2)
http://code.google.com/p/sympy/issues/detail?id=3581
Do we mean this:
In[1]: x, y = Symbol('x', real=True), Symbol('y')
In[2]: arg(x+y*I).rewrite(atan2)
Out[1]: atan2(re(y),x-im(y))
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Comment #7 on issue 1234 by smi...@gmail.com: solve() should give all
solutions
http://code.google.com/p/sympy/issues/detail?id=1234
Could infinite solutions be represented as an iterator?
# solutions to cos(x) = 0
sol = (pi/2 + m*pi for m in S.Naturals0)
for i in range(3):
... arg =
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