# Copie de Gradient Vector

This applet shows the surface defined by along with the gradient vector . The point can be moved by dragging it or by using the sliders.
The vertical component of the vector ".
(If the graph does not appear at first, click the reload button at the top middle of the applet.)

**at the point****(on the tangent plane) is equal to the magnitude of the gradient, "**## New Resources

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