On Wed, Nov 9, 2016 at 8:01 AM, Pauli Virtanen <pav@iki.fi> wrote:

Mon, 07 Nov 2016 19:52:09 +0300, Evgeni Burovski kirjoitti:
> Note that `approx_derivative` implements several finite-difference
> schemes,

In addition, I'd remind of

https://pypi.python.org/pypi/Numdifftools

And https://github.com/scipy/scipy/wiki/Proposal:-add-finite-difference-numerical-derivatives-as-scipy.diff

Ralf

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