For every real m x n matriz mx m) and a diagonal m x n matriz
Elementary Linear Algebra (MindTap Course List)
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Chapter4: Vector Spaces
Section4.6: Rank Of A Matrix And Systems Of Linear Equations
Problem 69E: Consider an mn matrix A and an np matrix B. Show that the row vectors of AB are in the row space of...
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Question
![For every real m x n matriz A, there are
two orthogonal matrices U (nxn) and V (mx m) and a diagonal mxn matriz D such that
A=VDUT, where D is of the form
01
...
...
:
0
D=
OT D=
0
0
: 0
...
0
:
Om 0
:
0:
...
where 0₁,...,0, are the singular values of f, i.e. the (positive) square roots of the nonzero
eigenvalues of AT A and A AT, and or+1 = ... = Op = 0, where p = min(m, n). The columns
of U are eigenvectors of AT A, and the columns of V are eigenvectors of A AT.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff615d4af-0f10-456d-810b-66712485e0b6%2F1bcd3850-b1f9-43fe-8eaf-93f630c59ea4%2Fo9iy1wg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For every real m x n matriz A, there are
two orthogonal matrices U (nxn) and V (mx m) and a diagonal mxn matriz D such that
A=VDUT, where D is of the form
01
...
...
:
0
D=
OT D=
0
0
: 0
...
0
:
Om 0
:
0:
...
where 0₁,...,0, are the singular values of f, i.e. the (positive) square roots of the nonzero
eigenvalues of AT A and A AT, and or+1 = ... = Op = 0, where p = min(m, n). The columns
of U are eigenvectors of AT A, and the columns of V are eigenvectors of A AT.
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