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Linear Algebra and Its Applications
· Problem 3.3.7
Orthogonality — Gilbert Strang
Mathematics · projection-matrix
Problem
Find the projection matrix
P
P
P
onto the space spanned by
a
1
=
(
1
,
0
,
1
)
a_1 = (1, 0, 1)
a
1
=
(
1
,
0
,
1
)
and
a
2
=
(
1
,
1
,
−
1
)
a_2 = (1, 1, -1)
a
2
=
(
1
,
1
,
−
1
)
.
Related theory
S Matrix And T Matrix
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