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(a) How are the directional derivative and the gradient of afunction related?(b) Under
Chapter 13, Problem 23(choose chapter or problem)
(a) How are the directional derivative and the gradient of a function related?
(b) Under what conditions is the directional derivative of a differentiable function \(0\)?
(c) In what direction does the directional derivative of a differentiable function have its maximum value? Its minimum value?
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Questions & Answers
QUESTION:
(a) How are the directional derivative and the gradient of a function related?
(b) Under what conditions is the directional derivative of a differentiable function \(0\)?
(c) In what direction does the directional derivative of a differentiable function have its maximum value? Its minimum value?
Equation Transcription:
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ANSWER:Step 1 of 3
The directional derivative of a function in the direction of a unit vector at the point is defined by .
It is related to the gradient of the function by