Intenten explorar introduciendo diferentes expresiones de funciones reales de dos variables.

1) 

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2) Partial derivatives and Tangent plan.

Author: Juan Carlos Ponce Campuzano.

This simulation shows the geometric interpretation of the partial derivatives of f(x,y) at point A in $\mathbb{R}^2$. It also shows the tangent plane at that point. Things to try: Drag the point A in the xy-plane or type specific values on the boxes.

Select the object you want to show:

Tangent plane, $f_x$ or $f_y$. Use right click and drag the mouse to rotate the 3D view or click on View button.