Jim Kelley wrote:
These waves never propagate.

Of course not and I NEVER said they did. That's just another strawman
of yours. The wavefronts originate in and are canceled in a 'dt' of
time. What is it about calculus that you do not understand?

Cancellation can occur between zero waves?

No. Zero waves occur because of cancellation.

Bafflegab!!! The energy in the waves CANNOT be destroyed. Zero waves
occur in one direction. The energy in the canceled waves flows in the
opposite direction. So says every physics book that I own. Sorry about
that.

You have said:
Waves cannot just "cease to exist" for
the very same reason that energy cannot cease to exist.

This is the biggest bunch of BS that you have ever uttered! On what
planet do you live that photons must be conserved?

The waves which impinge upon the boundary certainly exist. But V3 and
V4 do not exist because their existance is prevented.

Without their existence, wave cancellation is impossible. Yet you have
agreed that wave cancellation exists. Which is it? Does wave cancellation
exist? If yes, then V3 and V4 exist. If no, then come up with an explanation
that doesn't involve wave cancellation. (Your spelling of "existance" sic, is
driving me crazy. Please correct it.)

To you that is a truth. But it certainly is not a fact. And you
certainly can't dispute that for any set of finite values of those
variables for two superposed functions of equal amplitude an opposite
phase, the solution is zero.

What you are missing is that your solution is only for one direction.
The other direction contains the reflected energy as proven by a Bird
directional wattmeter. Aren't you capable of conceptual thoughts involving
the two directions in a one-dimensional environment? My dog is almost
capable of that.

Are you claiming that a wave
in a transmission line can move in more than one direction at a time?

No, I am claiming that the energy in waves can reverse direction in
a 'dt' of time. Do you disagree?

:-) Actually, it's not quite that specific. The conservation of energy
principle says that energy in equals energy out minus losses.

Bafflegab! The conservation of energy principle says the energy in an
electron can be tracked to an electron plus photon and back. Good Grief!
Are you really teaching physics students? If so, I feel sorry for them.
Does your boss know that your are teaching bafflegab?

There is no intrinsic energy in waves that never propagate.

_Optics_, by Hecht says that all EM waves propagate and contain
energy and momentum. Sorry about that.

Once you get an idear in ur head, there's no shiftin' it.

I really admire your technical assertions, I really do. When
are you going to make one?

Your inability to conceptualize is your problem, not mine.

So you're claiming that the functions don't cancel during time dt?

Of course, they cancel during time dt. Why do you feel the compulsion
to erect those more-than-obvious strawmen? That's usually the diversion
of someone who is desperate after painting himself into a corner. Why
do you feel the need for diversions? Why can't you just discuss the
technical aspects?

Do you really expect anyone to believe that waves can both exist and not
exist at the same time?

No, that's just one of your strawmen. I expect some people to accept the fact
of physics that a wave can be destroyed by wave cancellation as described in
_Optics_, by Hecht and on the Melles-Griot web page.
--
73, Cecil http://www.qsl.net/w5dxp
"One thing I have learned in a long life: that all our science, measured
against reality, is primitive and childlike ..." Albert Einstein



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