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From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups: sci.math
Subject: Re: More complex numbers than reals?
Date: Sun, 21 Jul 2024 16:01:51 -0700
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On 7/21/2024 3:57 PM, Chris M. Thomasson wrote:
[...]
>> Also, from the unit circle, all circles and ellipses can be created. 
>> The ellipse aspect is that of a circle rotated in 3d is an ellipse 
>> when viewed on the projected plane. Check this out in VR:
>>
>> https://skfb.ly/6RozT
> 
> Think of a circle in 3d. Looking at it dead on as a circle. Then, change 
> the camera view. It becomes an ellipse.

A screenshot:

https://i.ibb.co/BcX7yQW/image.png