# Directional Derivatives in 3D

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Visualize directional derivatives in three dimensions. Adjust the plane using the initial point and . If you want to set a specific value for and , check the box and use the sliders that appear. You can see how the tangent line to the curve that is the intersection of the plane you have chosen and the surface changes by sliding the point where the derivative is calculated.

Contributed by: Abby Brown (March 2011)

Open content licensed under CC BY-NC-SA

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detailSectionParagraph## Permanent Citation

"Directional Derivatives in 3D"

http://demonstrations.wolfram.com/DirectionalDerivativesIn3D/

Wolfram Demonstrations Project

Published: March 7 2011