(a) Let 1 -2 1 1 1 2 A = and B = 1 Find the matrices X and Y that satisfy the following matrix equations: AXB= A² AY (A+ BY)¯' = A (b) Let C be a 3 x 7 matrix. What can you say about the size of the matrix Z if you know that ZC is defined, but Z"+C is not.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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(a) Let
1 -2
1 1
1 2
A =
and B =
1
Find the matrices X and Y that satisfy the following matrix equations:
AXB= A²
AY (A+ BY)¯' = A
(b) Let C be a 3 x 7 matrix. What can you say about the size of the matrix
Z if you know that ZC is defined, but Z"+C is not.
Transcribed Image Text:(a) Let 1 -2 1 1 1 2 A = and B = 1 Find the matrices X and Y that satisfy the following matrix equations: AXB= A² AY (A+ BY)¯' = A (b) Let C be a 3 x 7 matrix. What can you say about the size of the matrix Z if you know that ZC is defined, but Z"+C is not.
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