On 12/11/2014 07:08 AM, Sasha Pachev wrote: > Then once you've done the ugly algebra resulting from the > substitutions you set z to 0 and obtain the equation of the x-y > cross-section of the cone which will be the hyperbola that you wanted > provided you rotated by the correct angle. You can also get an ellipse > depending on the angle of rotation. Either way - the resulting > equation allows you to plot it.
Thanks, Sasha! This appears to be exactly what I was looking for. And good theory and explanation also. Many thanks. I'll see if I can get it coded up. /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
