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Groups > comp.lang.python > #78545

Re: how to parse standard algebraic notation

From Marco Buttu <marco.buttu@gmail.com>
Newsgroups comp.lang.python
Subject Re: how to parse standard algebraic notation
Date 2014-10-01 14:26 +0200
Organization Aioe.org NNTP Server
Message-ID <m0grtf$ek$1@speranza.aioe.org> (permalink)
References <4a7f3e7a-ba4d-405e-a078-937bf861fcd8@googlegroups.com> <mailman.14496.1412111706.18130.python-list@python.org> <a2044e0b-4c79-4318-855e-16f4c86d4169@googlegroups.com>

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On 01/10/2014 09:01, math math wrote:

> What would be a good starting strategy for writing a program to take the derivative of a polynomial expression, such as this below?:
> "x**3 + x**2 + x + 1"

You can look at sympy:

 >>> from sympy import *
 >>> equation = simplify("x**3 + x**2 + x + 1")
 >>> equation
x**3 + x**2 + x + 1
 >>> diff(equation)
3*x**2 + 2*x + 1

-- 
Marco Buttu

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Thread

how to parse standard algebraic notation math math <mathematisch@gmail.com> - 2014-09-30 13:53 -0700
  Re: how to parse standard algebraic notation Gary Herron <gherron@digipen.edu> - 2014-09-30 14:05 -0700
    Re: how to parse standard algebraic notation math math <mathematisch@gmail.com> - 2014-10-01 00:01 -0700
      Re: how to parse standard algebraic notation Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-01 08:35 +0100
      Re: how to parse standard algebraic notation Chris Angelico <rosuav@gmail.com> - 2014-10-01 18:38 +1000
        Re: how to parse standard algebraic notation math math <mathematisch@gmail.com> - 2014-10-01 05:04 -0700
      Re: how to parse standard algebraic notation Marco Buttu <marco.buttu@gmail.com> - 2014-10-01 14:22 +0200
      Re: how to parse standard algebraic notation Marco Buttu <marco.buttu@gmail.com> - 2014-10-01 14:26 +0200
  Re: how to parse standard algebraic notation Chris Angelico <rosuav@gmail.com> - 2014-10-01 10:20 +1000
  Re: how to parse standard algebraic notation wxjmfauth@gmail.com - 2014-10-01 01:08 -0700
  Re: how to parse standard algebraic notation Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-10-02 02:45 +1000
    Re: how to parse standard algebraic notation Chris Angelico <rosuav@gmail.com> - 2014-10-02 03:01 +1000

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