Re: sympy

[Gregory Ewing]

Steven D'Aprano wrote:

On Thu, 31 Mar 2016 02:23 am, Poul Riis wrote:

What I intend to do is to let sympy find the derivative of some
welldefined function and next define the foundation derivative as a normal
function

py> ftext.evalf(subs={x:3})
-0.0600000000000000

Given all that, it looks like you want

def f(t):
  return ftext.evalf(subs={x:t})

--
Greg
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