MAT240 Exam #10 Video #1 - Directional Derivatives
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Last updated 8:49 AM on 4/1/26
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6 Terms
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Directional derivative formula (including notation)
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Expanded form of the directional derivative formula
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Parametric equations that the directional derivative formula represents
(s = arc length)
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Line that these parametric equations represent
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What the directional derivative represents
The slope in the z-direction along the tangent plane to the surface at a given point, as you move in the direction of a given unit vector (the slope varies by direction; regular partial derivatives only apply along the coordinate axes)
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What must you do if you see a bar over u instead of a hat?
Find the magnitude of the u-bar vector
