Applet: Graph of elliptic paraboloid

Applet loading
A graph of the elliptic paraboloid $f(x,y)=-x^2-2y^2$ over the domain $-2 \le x \le 2$ and $-2 \le y \le 2$.
Applet links
This applet is found in the pages
General information about three.js applets
The applet was made using three.js and requires Javascript as well as a browser that supports WebGL. For most three.js applets, you can drag with the mouse to rotate the view, drag with the right button to pan, and zoom in/out with the mouse wheel. Many applets contain points that you can drag to change values of variables.