Comment #12 on issue 1724 by smi...@gmail.com: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
in response to comment 4 and the suggestion for an nth_root function,
please see https://github.com/sympy/sympy/pull/720
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Comment #13 on issue 1724 by smi...@gmail.com: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
the nth_root function is called real_root and is not part of master.
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Comment #14 on issue 1724 by kend...@gmail.com: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
I have added an XFAIL test for this issue.[GCI]
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Comment #15 on issue 1724 by smi...@gmail.com: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
The nth_root function is called real_root in master.
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Labels: NeedsReview smichr
Comment #16 on issue 1724 by smi...@gmail.com: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
The change of comment 8 has already been implemented, apparently:
x, y = symbols('x y', real=True)
exp(x
Updates:
Status: Fixed
Comment #17 on issue 1724 by smi...@gmail.com: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
(2**I).conjugate() now returns the right value, too, thanks to review help
from Mario on the above mentioned pull req
Comment #18 on issue 1724 by ronan.l...@gmail.com: conjugate doesn't work
for rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
Issue 2330 has been merged into this issue.
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Updates:
Summary: conjugate doesn't work for rational powers
Comment #2 on issue 1724 by ronan.l...@gmail.com: conjugate doesn't work
for rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
(-29/54 + 93**(1/2)/18) is negative, so its cubic root is complex. What you
ob
Comment #3 on issue 1724 by nicolas.pourcelot: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
"(-29/54 + 93**(1/2)/18) is negative, so its cubic root is complex."
I understand what you mean.
That's however a bit confusing, since there's a real f
Comment #4 on issue 1724 by ronan.l...@gmail.com: conjugate doesn't work
for rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
Well, maybe we could add an nth_root function defined only on the reals,
but x**(1/n)
should always return the principal root - doing anything else
Comment #5 on issue 1724 by nicolas.pourcelot: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
Then, why not use .as_real_imag() inside .conjugate() method itself, since
it seems
to work well ? Is it so slow ?
>>> x, y = r[1].as_real_imag()
>>>
Comment #6 on issue 1724 by asmeurer: conjugate doesn't work for rational
powers
http://code.google.com/p/sympy/issues/detail?id=1724
I don't think we should return a numeric solution when we are looking for a
symbolic one. If the symbolic one can't be found, I think we should
raise. If
t
Comment #7 on issue 1724 by nicolas.pourcelot: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
In fact, I didn't suggest to return a numeric expression.
I suggest however to use x, y = r[1].as_real_imag(), and then to return x -
I*y.
('complex
Comment #8 on issue 1724 by asmeurer: conjugate doesn't work for rational
powers
http://code.google.com/p/sympy/issues/detail?id=1724
Ah, so I misunderstood. So it seems that it is already implemented under
the guise of expand(complex=True).
Yes then, I think this is exactly what we should
Comment #9 on issue 1724 by Vinzent.Steinberg: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
I think that expand(complex=True) should only expand complex stuff, and that
expand_complex() should be removed.
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Updates:
Status: Started
Comment #10 on issue 1724 by asmeurer: conjugate doesn't work for rational
powers
http://code.google.com/p/sympy/issues/detail?id=1724
I think we should implement the switch manager style that Chris suggested a
while ago here:
http://groups.google.com/group/sy
Comment #11 on issue 1724 by Vinzent.Steinberg: conjugate doesn't work for
rational powers
http://code.google.com/p/sympy/issues/detail?id=1724
I think such a switch manager is a great idea.
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