[Maxima] Maxima by Example: Ch. 7, 8, 9, 10, and 11 posted
macrakis at alum.mit.edu
Wed Apr 29 22:38:49 CDT 2009
As I said, I am not competent to judge Myron Evans' ECE work. However, the
very journal where he published his work pointed
"no reference to ECE theory can be spotted in any of the peer reviewed
scientific journals" and it also published papers showing mathematical
errors in ECE.
I repeat, I doubt we want to hitch our wagon to Myron Evans.
PS The Wikipedia article about
*not* been removed, and you don't have to believe that article to look up
the sources it cites.
On Wed, Apr 29, 2009 at 11:13 PM, Dave Feustel <dfeustel at mindspring.com>wrote:
> On Wed, Apr 29, 2009 at 09:43:08PM -0400, Stavros Macrakis wrote:
> > Tensor calculus would be interesting in a Maxima book, but I doubt we
> > to hitch our wagon to Myron Evans.
> The question is not whether or not to 'hitch our wagon' to Myron Evans,
> but whether Evans' ECE theory correctly predicts physical phenomena not
> explainable by Maxwell-Heaviside or standard GR theory. To the best of
> my knowledge, noone has refuted any data explained by him in terms of
> ECE. I have definitely got the impression that few, if any, people
> reading his papers understand the mathematics of differential geometry
> upon which ECE is based.
> > I am certainly not competent to judge his work myself, but as far as I
> > tell, Evans' ECE theory has not been accepted by any serious physicist.
> > Wikipedia article Eistein-Cartan-Evans theory has some interesting
> > citations, including
> > an editorial in a journal where Evans published some of his results which
> > reports their refutation.
> Evans has stated that in GR a non-zero curvature *requires* a non-zero
> torsion and Evans has published a proof based upon a symbolic derivation
> of torsion from curvature using Maxima. If that assertion can be
> verified by an independent third party, then Evans' work destroys the
> bulk of 'standard' GR. I am interested in a verification or
> falsification of that assertion using any symbolic math package.
> I bought Maple 12 with that idea in mind. I still am pursuing the
> same goal with Maxima, but much more low key for lack of hard copy
> documentation. I am having increasing vision problems which make
> reading books much easier than reading CRT screens.
> > It is also odd that Evans' Web site, aias.us, talks so much about
> > Evans' UK government honors, his nominations (nominations!) to
> > knighthood, his coat of arms, etc.
> Focus on the accuracy of Evans' work. Forget about Wikipedia where Evans is
> concerned. The Wiki entry about him and his work has been completely
> > On Wed, Apr 29, 2009 at 8:49 PM, Dave Feustel <dfeustel at mindspring.com
> > > On Wed, Apr 29, 2009 at 04:48:22PM -0700, Edwin Woollett wrote:
> > > > The old chapter seven has been split into 7 plus 10 for ease of
> > > maintenance.
> > > > However, all (7 - 11) have been updated with a fancy verbatim
> > > > plus the latex color package to make the maxima code stand out
> > > > (ch. 1 - 6 remain to be updated with this style.)
> > > >
> > > > New material is:
> > > > ch. 8: numerical integration,
> > > > ch. 9: bigfloats and arbitrary precision quadrature,
> > > > ch. 11 fast fourier transforms
> > >
> > > Have you thought about including a chapter on tensor calculus and
> > > differential geometry with reference to General Relativity? Dr. Myron
> > > Evans writes that he has used maxima to prove a fundamental error in
> > > Einstein's General Relativity - namely that torsion cannot be zero when
> > > curvature in non-zero. The calculations are available in the papers
> > > section of his website, aias.us. The implications for general
> > > of non-zero torsion appear to be wide-ranging and Dr. Evans has been
> > > writing a lot of papers investigating those implications.
> > > _______________________________________________
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> > >
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