Match the vector field F( x , y ) with one of the plots, and explain your reasoning. a F( x , y ) = i + j b F ( x , y ) = x x 2 + y 2 i + y x 2 + y 2 j
Match the vector field F( x , y ) with one of the plots, and explain your reasoning. a F( x , y ) = i + j b F ( x , y ) = x x 2 + y 2 i + y x 2 + y 2 j
Match the vector field
F(
x
,
y
)
with one of the plots, and explain your reasoning.
a
F(
x
,
y
)
=
i
+
j
b
F
(
x
,
y
)
=
x
x
2
+
y
2
i
+
y
x
2
+
y
2
j
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.
4. Use method of separation of variable to solve the following wave equation
მłu
J²u
subject to
u(0,t) =0, for t> 0,
u(л,t) = 0, for t> 0,
=
t> 0,
at²
ax²'
u(x, 0) = 0,
0.01 x,
ut(x, 0) =
Π
0.01 (π-x),
0
Solve the following heat equation by method of separation variables:
ди
=
at
subject to
u(0,t) =0, for
-16024
ძx2 •
t>0, 0 0,
ux (4,t) = 0, for
t> 0,
u(x, 0) =
(x-3,
\-1,
0 < x ≤2
2≤ x ≤ 4.
ex
5.
important aspects.
Graph f(x)=lnx. Be sure to make your graph big enough to easily read (use the space given.) Label all
6
33
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