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Re: Algorithmic Differentiation in Octave

From: Brad Bell
Subject: Re: Algorithmic Differentiation in Octave
Date: Wed, 25 Jan 2017 05:38:17 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0

First order forward mode is probably best done using the complex step method; see

On 01/25/2017 12:36 AM, Olaf Till wrote:
On Tue, Jan 24, 2017 at 04:25:44PM -0500, John W. Eaton wrote:
Are you aware of the (now unmaintained and probably obsolete) "ad" package
from Octave Forge?  An old version is still accessible here:

This may be the last released version:

Even though it is old and probably won't work out of the box with current
versions of Octave, it might be worth looking at.
I wasn't aware of it, thanks. This package seems to have implemented
the overloading even without the scripted class functionality of newer
Octave. It seems to be for first order derivatives only.


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