Re: Numerical differentiation documentation out of date?

["Liam Healy" <lnp@......................>]

On Thu, Sep 18, 2008 at 3:23 PM, Brian Gough <bjg@gnu.org> wrote:
> At Thu, 18 Sep 2008 10:26:55 -0600,
> Patrick Alken wrote:
>>
>> It appears that the gsl_diff_* functions may be deprecated.
>> The functions you want are in deriv/deriv.c not diff/diff.c.
>>
>> The function gsl_deriv_central matches up with the documentation.
>> gsl_diff_central does not appear to be documented at all though
>> its still in the tree.
>
> I've now marked these as deprecated in the gsl_diff.h header file, to
> be removed at some future time.
>
> The lack of a step-size in the original gsl_diff parameter list was a
> fatal flaw so the functions had to be replaced with the gsl_deriv
> versions.
>
> --
> Brian Gough
>

OK thanks for the clarification; I apparently overlooked the
difference between "diff" and "deriv" and thought that the newer one
was diff.

Liam