Given : 6 (x, y, z) Compute the gradient = 3 6y³ z³ - 5 ex at PA (2,2,1-5) of G (x, y, z)

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Given :
6 (x, y, z)
Compute the gradient
3
6y²z³ - 5 ex
at
PA (2,2,1-5) of G (x, y, z)
Transcribed Image Text:Given : 6 (x, y, z) Compute the gradient 3 6y²z³ - 5 ex at PA (2,2,1-5) of G (x, y, z)
EXAMPLE PROBLEM
पर५,८१-
VG(x, y, z) = gradient field
note: a gradient field is a vector field.
there fore,
2 az
VG (x,y,2) = (2 ax + 2 ay +3_9²) G(x,y, 2)
z)
2y
VG(x, y, z) = (2G(x, y, z)
2x
org
ау
G=3x²y-422
= 6xy
2G
2Z
2G
2x
2G - 3x²
2
SUSISI
Sample: Solve the gradient at P(2,3,1) of G(x, y, z) = 3x²y - 42².
Solution: Let: G(x, y, z) = G = 3x²y - 4z² = scalar field function.
Given:
.ax +
VG =
= (2x ax + 2 Ay+ 22 9₂ ) G = ( 26 ax + 26 May +26 a₂)
2x
2y
ау
2Z
=-82
2 G(x, y, z). ay +
2y
×Ç(x,y,z)
.az
22
VG=2G ax +
-ax+ 26 ay + 26 a₂)
જે
2G
:)
ау
2Z
VG = 6xy ax + 3x² Ay - 8z Az
2x
gradient
field
at P(2,3,1),
VG = 6(2)(³) Ax +3 (2)²ay - 8 (1) Az
VG = 36 Ax + 12 Ay - 8 Az
|VG = 36.000 ax +12.000 Ay - 80.000X10²¹ az
Transcribed Image Text:EXAMPLE PROBLEM पर५,८१- VG(x, y, z) = gradient field note: a gradient field is a vector field. there fore, 2 az VG (x,y,2) = (2 ax + 2 ay +3_9²) G(x,y, 2) z) 2y VG(x, y, z) = (2G(x, y, z) 2x org ау G=3x²y-422 = 6xy 2G 2Z 2G 2x 2G - 3x² 2 SUSISI Sample: Solve the gradient at P(2,3,1) of G(x, y, z) = 3x²y - 42². Solution: Let: G(x, y, z) = G = 3x²y - 4z² = scalar field function. Given: .ax + VG = = (2x ax + 2 Ay+ 22 9₂ ) G = ( 26 ax + 26 May +26 a₂) 2x 2y ау 2Z =-82 2 G(x, y, z). ay + 2y ×Ç(x,y,z) .az 22 VG=2G ax + -ax+ 26 ay + 26 a₂) જે 2G :) ау 2Z VG = 6xy ax + 3x² Ay - 8z Az 2x gradient field at P(2,3,1), VG = 6(2)(³) Ax +3 (2)²ay - 8 (1) Az VG = 36 Ax + 12 Ay - 8 Az |VG = 36.000 ax +12.000 Ay - 80.000X10²¹ az
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