Computing directional derivatives with the gradient Compute the directional derivative of the following functions at the given point P in the direction of the given vector . Be sure to use a unit vector for the direction vector. 24 h ( x , y ) = e − x − y ; P ( ln 2 , ln 3 ) ; 〈 1 , 1 〉
Computing directional derivatives with the gradient Compute the directional derivative of the following functions at the given point P in the direction of the given vector . Be sure to use a unit vector for the direction vector. 24 h ( x , y ) = e − x − y ; P ( ln 2 , ln 3 ) ; 〈 1 , 1 〉
Solution Summary: The author calculates the directional derivative of the function h(x,y)=e-x-y at the point P (mathrmln
Computing directional derivatives with the gradientCompute the directional derivative of the following functions at the given point P in the direction of the given vector. Be sure to use a unit vector for the direction vector.
24
h
(
x
,
y
)
=
e
−
x
−
y
;
P
(
ln
2
,
ln
3
)
;
〈
1
,
1
〉
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Write the given third order linear equation as an equivalent system of first order equations with initial values.
Use
Y1 = Y, Y2 = y', and y3 = y".
-
-
√ (3t¹ + 3 − t³)y" — y" + (3t² + 3)y' + (3t — 3t¹) y = 1 − 3t²
\y(3) = 1, y′(3) = −2, y″(3) = −3
(8) - (888) -
with initial values
Y
=
If you don't get this in 3 tries, you can get a hint.
Question 2
1 pts
Let A be the value of the triple integral
SSS.
(x³ y² z) dV where D is the region
D
bounded by the planes 3z + 5y = 15, 4z — 5y = 20, x = 0, x = 1, and z = 0.
Then the value of sin(3A) is
-0.003
0.496
-0.408
-0.420
0.384
-0.162
0.367
0.364
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