[Spice-devel] fast symbolic transfer function derivatives

[Valeri Aronov]

Thanks, Frediano, and sorry for the confusion. I withdraw the posting.

Cheers,
Valeri A.

On Mon, Jan 13, 2020 at 7:59 PM Frediano Ziglio <fziglio at redhat.com> wrote:

> > Dear all,
>
> > I trust that I have an excellent proposition for the theme in the
> subject of
> > this post. Using my algorithm for the evaluation of all the first and
> second
> > derivatives (by circuit parameters) of the symbolic transfer function
> > asymptotically approaches the time of the evaluation of transfer function
> > itself.
>
> > Using these derivatives allows substantially reduce the time of circuit
> > parameter optimization because of much better precision of the
> derivatives
> > evaluation (in comparison with non-symbolic derivatives evaluation) and
> an
> > opportunity to apply optimization methods using the second derivatives.
>
> > I am looking for discussing with or presenting this to ppl who
> implemented
> > symbolic transfer function generation or interested in using the symbolic
> > functions for parameter optimization or sensitivity evaluation.
>
> > Cheers,
>
> > Valeri A .
>
> Hi,
>   I have the impression you posted to the wrong Spice project,
> we are Spice as www.spice-space.org, not
> https://en.wikipedia.org/wiki/SPICE.
>
> Frediano
>
>
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