[Tutor] Functional Derivatives
kent37 at tds.net
Tue Apr 21 02:37:36 CEST 2009
On Mon, Apr 20, 2009 at 7:53 PM, Matt <HellZFury+Python at gmail.com> wrote:
> I'm trying to calculate the derivative of a function in Python like so:
> def D5(func,h=1e-5):
> ""' Return derivative of function func'''
> def df(x): return (func(x+h)-func(x))/h
> df.__name__ = func.__name__ + '_dx'
> return df
> However, I run into the problem of limited float precision.
> Is there any way that any of you can think of to avoid this for
> general-purpose functions? Thanks.
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