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Re: sympy

From Ben Finney <ben+python@benfinney.id.au>
Newsgroups comp.lang.python
Subject Re: sympy
Date 2016-03-30 22:29 +1100
Message-ID <mailman.194.1459337388.28225.python-list@python.org> (permalink)
References <733f5f0d-9b4e-4023-897b-e1f2730c39cb@googlegroups.com>

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Poul Riis <priisdk@gmail.com> writes:

> Is it possible to transfer results from sympy to 'normal' python.

Is Sympy not “normal Python”? What transfer are you intending?

> In the case below I think my intention is clear enough but it does not
> work as intended. How can it be done?

First: no, your intention is not clear. Please write idiomatic Python:
spaces around operators, names which describe the meaning. Follow the
coding style guide PEP 8 <URL:https://www.python.org/dev/peps/pep-0008/>.

Second: no, the intent is obscured because you are using ‘from sympy
import *’. This clobbers the global namespace, making it much more
difficult to tell which names come from a different namespace. Instead,
do ‘import sympy’ and qualify names ‘sympy.Symbol’, etc.

Third: if the code “does not work as intended”, then the answer can be
no better than “change it until it works as intended”. If you want more
detail, please provide more detail on what it *is* doing, and what you
think it *should* do instead.

-- 
 \       “I bet one legend that keeps recurring throughout history, in |
  `\              every culture, is the story of Popeye.” —Jack Handey |
_o__)                                                                  |
Ben Finney

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Thread

sympy Poul Riis <priisdk@gmail.com> - 2016-03-30 04:17 -0700
  Re: sympy Ben Finney <ben+python@benfinney.id.au> - 2016-03-30 22:29 +1100
  Re: sympy Ned Batchelder <ned@nedbatchelder.com> - 2016-03-30 04:39 -0700
  Re: sympy Steven D'Aprano <steve@pearwood.info> - 2016-03-30 23:56 +1100
    Re: sympy Poul Riis <priisdk@gmail.com> - 2016-03-30 08:23 -0700
      Re: sympy Robert Kern <robert.kern@gmail.com> - 2016-03-30 16:29 +0100
      Re: sympy Steven D'Aprano <steve@pearwood.info> - 2016-03-31 02:59 +1100
        Re: sympy Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-03-31 17:49 +1300
          Re: sympy Poul Riis <priisdk@gmail.com> - 2016-03-30 23:51 -0700
        Re: sympy Poul Riis <priisdk@gmail.com> - 2016-03-31 03:57 -0700
          Re: sympy Peter Otten <__peter__@web.de> - 2016-03-31 16:55 +0200
          Re: sympy Chris Angelico <rosuav@gmail.com> - 2016-04-01 04:05 +1100
          Re: sympy Peter Otten <__peter__@web.de> - 2016-03-31 19:51 +0200
          Re: sympy Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2016-03-31 19:59 +0100
  Re: sympy Poul Riis <priisdk@gmail.com> - 2016-03-31 14:33 -0700
    Re: sympy Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2016-03-31 23:26 +0100

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