matrices is an equivalence relati

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Recall that similarity of matrices is an equivalence relation, that is, the relation is reflexive, symmetric and transitive.
3 -5
is similar to itself by finding an R such that R¹ AR = A.
3
-3
(Reflexivity) Verify that A =
8
4
R
We know that A is similar to B =
(Symmetry) Verify that B
13
1
since P-¹AP = B where P =
T
~
A by finding an Ssuch that S-¹BS = A.
We also know that B is similar to C =
-18 30
- 11 18
(Transitivity) Verify that A ~ C by finding a T such that T-¹AT = C.
31
Ba
since Q¹BQ = C where Q
=
2 -3
[23]
-2
Transcribed Image Text:Recall that similarity of matrices is an equivalence relation, that is, the relation is reflexive, symmetric and transitive. 3 -5 is similar to itself by finding an R such that R¹ AR = A. 3 -3 (Reflexivity) Verify that A = 8 4 R We know that A is similar to B = (Symmetry) Verify that B 13 1 since P-¹AP = B where P = T ~ A by finding an Ssuch that S-¹BS = A. We also know that B is similar to C = -18 30 - 11 18 (Transitivity) Verify that A ~ C by finding a T such that T-¹AT = C. 31 Ba since Q¹BQ = C where Q = 2 -3 [23] -2
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