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Re: 2D vector code
From: |
David Feuer |
Subject: |
Re: 2D vector code |
Date: |
Fri, 14 Apr 2006 12:18:23 -0400 |
On 4/14/06, Carl D. Sorensen <address@hidden> wrote:
>
> Actually, complex numbers are nothing more than 2-D vectors, but in the
> real-imaginary plane rather than the x-y plane. In fact, when we use
> complex numbers, we draw them in a plane indistinguishable from x-y
> (real is x, imaginary is y). So I think that if guile has built-in
> complex numbers, we certainly ought to use them.
The complex numbers form a field. The 2-D vectors don't. A complex
number suggests that the real and imaginary components are of a
different nature, whereas 2-D vectors are symmetrical in their
components. Vectors could be implemented using complex numbers, but I
think identifying them is ugly.
David