File talk:Three-dimensional graph.png

This graph is awfully convoluted for just being an example of a 3-dimensional graph; does anyone else think it could be changed to something simpler? Maybe z=cos(r) or z=e^(-r^2) for example? --Charibdis (talk) 04:25, 19 November 2008 (UTC)

[Forwarded from en:File talk:Three-dimensional graph.png by Athaenara (talk) 00:28, 12 February 2010 (UTC)]