Quaternions

[Arthur Fuller]

Yes. I was aware of imaginary numbers and the whole notion of a plane of
numbers (i.e. numbers expressed in 2 dimensions, rather than the 1
dimension we're used to), but had never encountered the word Quaternion
until reading Against the Day.

Not that I'm equipped to give the lecture, but it's interesting to note
that once you grant the notion of a 2D range of numbers, there's no reason
to stop at 2. It's easy to imagine 3D numbers; after that it's a bit of a
stretch, at least for this old mind.

Arthur

On Mon, Aug 14, 2017 at 9:40 PM, L E Bryan <lebryan at sonic.net> wrote:

> An interesting pursuit. Was it just through P that you started learning
> about them?
>
> > On Aug 14, 2017, at 5:34 PM, Arthur Fuller <fuller.artful at gmail.com>
> wrote:
> >
> > Pursuant to Against the Day, I've been learning about Quaternions. I
> know a thing or two about complex numbers, certainly not a lot; but I'm
> learning about both the theory and various applications such as
> electromagnetism.
> >
> > Whether this is going to make me understand P. more deeply remains to be
> seen, but I do find the whole subject interesting.
> >
> > Arthur
> >
> > --
> > Arthur
> >
>
>


-- 
Arthur
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