Let B = { ( 0 , 2 , − 2 ) , ( 1 , 0 , − 2 ) } be a basis for a subspace of R 3 , and consider x = ( − 1 , 4 , − 2 ) , a vector in the subspace. (a) Write x as a linear combination of the vectors in B .That is, find the coordinates of x relative to B . (b) Apply the Gram-Schmidt orthonormalization process to transform B into an orthonormal set B ′ . (c) Write x as a linear combination of the vectors in B ′ .That is, find the coordinates of x relative to B ′ .
Let B = { ( 0 , 2 , − 2 ) , ( 1 , 0 , − 2 ) } be a basis for a subspace of R 3 , and consider x = ( − 1 , 4 , − 2 ) , a vector in the subspace. (a) Write x as a linear combination of the vectors in B .That is, find the coordinates of x relative to B . (b) Apply the Gram-Schmidt orthonormalization process to transform B into an orthonormal set B ′ . (c) Write x as a linear combination of the vectors in B ′ .That is, find the coordinates of x relative to B ′ .
Solution Summary: The objective is to find the value of x relative to B.
Let
B
=
{
(
0
,
2
,
−
2
)
,
(
1
,
0
,
−
2
)
}
be a basis for a subspace of
R
3
, and consider
x
=
(
−
1
,
4
,
−
2
)
, a vector in the subspace.
(a) Write
x
as a linear combination of the vectors in
B
.That is, find the coordinates of
x
relative to
B
.
(b) Apply the Gram-Schmidt orthonormalization process to transform
B
into an orthonormal set
B
′
.
(c) Write
x
as a linear combination of the vectors in
B
′
.That is, find the coordinates of
x
relative to
B
′
.
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.
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