
Posted by Bill
![]()
on 26/6/2009, 4:46 pm, in reply to "Example..."
Nice work. Alternative method:-
(x^2/a^2) + (y^2)/(a^2*(1-e^2)) = 1
This is an ellipse or hyperbola according as to whether e < 1 or > 1.


Message Thread:
![]()
« Back to thread