Consistency of A x = b In Exercises 57-62, determine whether b is in the column space of A . If it is, write b as a linear combination of the column vectors of A . A = [ 1 3 2 − 1 1 2 0 1 1 ] , b = [ 1 1 0 ]
Consistency of A x = b In Exercises 57-62, determine whether b is in the column space of A . If it is, write b as a linear combination of the column vectors of A . A = [ 1 3 2 − 1 1 2 0 1 1 ] , b = [ 1 1 0 ]
Consistency of
A
x
=
b
In Exercises 57-62, determine whether
b
is in the column space of
A
. If it is, write
b
as a linear combination of the column vectors of
A
.
A
=
[
1
3
2
−
1
1
2
0
1
1
]
,
b
=
[
1
1
0
]
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.
Determine whether u is in the column space of A. If it is, write u as a linear combination of the column vectors of A.
A =
O
5 4
U=
U=
u=
-17
-25
u=
-171
-25
17
25
-17
-25
is in the column space of A and
is in the column space of A and
is not in the column space of A
-
O None of these choices.
-17
-25
-17
-25
5
-5 [3] +
] = -5 [5] +
+2
+2
5
[1]
Using vector algebra, identify all of the following vectors that are equivalent to (u + v) X w.
u xw+vX W
w xu + w XV
VX W u x W
-w xu - W X V
u x W-VX W
Determine whether is in the column space of A, and if so, express as a linear combination of the
column vectors of A
(a)
A=
b =
10
1
-1
A=
1
1 -1
b=0
-1 -1
1
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