ht_Suppose f (x, y) = −2x² – 2xy — 1y², P = (2, 3), and u - i+ A. Compute the gradient of f. V f j - Note: Your answers should be expressions of x and y; e.g. "3x – 4y" B. Evaluate the gradient at the point P. (▼ ƒ) (2, 3) = i+ Note: Your answers should be numbers = = ( 18, f). C. Compute the directional derivative off at P in the direction u . (Duƒ) (P) = Note: Your answer should be a number j
ht_Suppose f (x, y) = −2x² – 2xy — 1y², P = (2, 3), and u - i+ A. Compute the gradient of f. V f j - Note: Your answers should be expressions of x and y; e.g. "3x – 4y" B. Evaluate the gradient at the point P. (▼ ƒ) (2, 3) = i+ Note: Your answers should be numbers = = ( 18, f). C. Compute the directional derivative off at P in the direction u . (Duƒ) (P) = Note: Your answer should be a number j
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Q4
Transcribed Image Text:ht Suppose ƒ (x, y) = −2x² – 2xy – 1y², P = (2, 3), and u = = ( 18, f).
-
A. Compute the gradient of f.
V f
-
Note: Your answers should be expressions of x and y; e.g. "3x – 4y"
B. Evaluate the gradient at the point P.
(▼ ƒ) (2, 3) =
i+
Note: Your answers should be numbers
i+
C. Compute the directional derivative off at P in the direction u .
(Duf) (P) =
Note: Your answer should be a number
j
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