WOLFRAM NOTEBOOK

WOLFRAM|DEMONSTRATIONS PROJECT

Directional Derivatives

​
f(x,y) =
-
2
x
-
2
y
+4
∇f(0,0) = (0, 0)
||∇f(0,0)|| = 0
D
u
f(0,0) = 0
snap to grid
show gradient ∇f
show unit direction vector u
Use the vector and point controls (arrows) in the top pane to adjust the location and angle of the direction vector on the surface.
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