Applet: A local maximum of a function of two variables
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The red point is a local maximum of a function of two variables.
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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.