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Groups > comp.lang.python > #106053
| Newsgroups | comp.lang.python |
|---|---|
| Date | 2016-03-30 04:39 -0700 |
| References | <733f5f0d-9b4e-4023-897b-e1f2730c39cb@googlegroups.com> |
| Message-ID | <7a86698a-866f-4dc1-8ef7-80bde8afd6f6@googlegroups.com> (permalink) |
| Subject | Re: sympy |
| From | Ned Batchelder <ned@nedbatchelder.com> |
On Wednesday, March 30, 2016 at 7:17:33 AM UTC-4, Poul Riis wrote:
> Is it possible to transfer results from sympy to 'normal' python.
Poul, welcome to the group.
> In the case below I think my intention is clear enough but it does not work as intended. How can it be done?
>
> from sympy import *
> x=Symbol('x')
> ftext=diff(1/(x**2+1),x)
>
> def f(t):
> return ftext.subs(x,'t')
>
> print(f(3))
You'd be surprised how hard it is to understand what someone else thinks
a small chunk of code should do. :)
Even if we can work out what this was meant to do, it will be easier to help
if you are explicit about the outcome you are getting, and how that differs
from the outcome you want.
--Ned.
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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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