Find link
language:
jump to random article
Find link is a tool written by Edward Betts.
searching for focal conics 1 found (6 total)
alternate case: Focal conics
Dupin's theorem
(1,678 words)
[view diff]
exact match in snippet
view article
find links to article
Ring cyclide with its focal conics (dark red: ellipse, dark blue: hyperbola). Purple: surface normal and common line of the two cones at point P