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Chapter 14Partial Derivatives

0114.01Functions of Multiple Variables
0214.02Limits and Continuity
0314.03Partial Derivatives
0414.04Higher-Order Partial Derivatives
0514.05Tangent Planes and Linear Approximation
0614.06The Chain Rule
0714.07Directional Derivatives
0814.08The Gradient
0914.09Divergence and Curl
1014.10Relative Extrema
1114.11Absolute Extrema
1214.12Lagrange Multipliers

Chapter 14 · Partial Derivatives

0114.01Functions of Multiple Variables
0214.02Limits and Continuity
0314.03Partial Derivatives
0414.04Higher-Order Partial Derivatives
0514.05Tangent Planes and Linear Approximation
0614.06The Chain Rule
0714.07Directional Derivatives
0814.08The Gradient
0914.09Divergence and Curl
1014.10Relative Extrema
1114.11Absolute Extrema
1214.12Lagrange Multipliers

Topics / 14 Partial Derivatives

14.07

Directional Derivatives

The rate of change of f in any direction: the partial derivatives weighted by a unit vector.

About 14 minutes

You'll learn to

→Compute directional derivatives in 2D and 3D
→Turn a direction into a unit vector
→Interpret a zero directional derivative

← 14.06 The Chain Rule 14.08 The Gradient →

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