MDP@SU-SCORE.ARPA (07/11/84)
From: Mike Peeler <MDP@SU-SCORE.ARPA>
To BARNARD@SRI-AI:
The problem is that three points do not ONLY define a
circle. It takes five points to determine a unique conic
section. Besides, it's fairly likely that the curve is
desired to be a function of x.
Cheers,
Mike