Re: [OT] Geometry, finding foci
- Posted by Pete Lomax <petelomax at blueyonder.co.uk> Jan 15, 2003
- 345 views
On Wed, 15 Jan 2003 13:48:40 -0600, gertie at visionsix.com wrote: > > >Given a ellipse, with known min and max distances across it, how do i=20 >determine the locations of the foci?=20 Using Pythagoras, the distance between the foci is given by: f=3Dsqrt(power(w,2)-power(h,2)) where w and h are the overall width and height respectively. w>h. Pete
