# Ellipson

This flash shows a slide of an ellipson along it z-dimension. Each slide is an ellipse which lies entirely inside the unit square. The equation for the ellipson as follows:

 (1)

As special case, when , the ellipse reduces to the line . Similarly, when , the ellipse reduces to the line .

The flash has two text boxes which show the value of and the step (for which increases). The default value for step'' is and the value of will range between and . When the value of reach , it will come back to .

There are three buttons for control the flash.

• Dec Step: Decrease the value of step by . You cannot decrease the value of step'' below .

• Inc Step: Increase the value of step by . You cannot incrase the value of step'' above .

• Pause/Resume: In order to pause/resume the flash animation.
The printed version of this document can be found here.

Thai Son Hoang @ 2004 (htson@cse.unsw.edu.au)