A permutation operator, P, in a 3 dimensional linear vector space with basis vectors ê, ê, ê, has the following operation on the basis vectors: Pê₁ = ê3 Pê₂ = ê¹ Pê3 = ê₂. a) Derive P, the matrix form of the operator P, with the same basis used for the input and output spaces. Note: If you cannot solve this part then use the following matrix for the next two parts: Го о 17 100 10 b) Show that P3 = I, where I is the identity matrix. c) Hence show that for positive integers n and m: I for n P"=P P² for n = 3m = 3m +1 for n = 3m +2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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A permutation operator, P, in a 3 dimensional linear vector space with basis vectors ê, ê, ê, has
the following operation on the basis vectors:
Pê₁ = ê3
Pê₂ = ê¹
Pê3 = ê₂.
a) Derive P, the matrix form of the operator P, with the same basis used for the input and
output spaces.
Note: If you cannot solve this part then use the following matrix for the next two parts:
Го о 17
100
10
b) Show that P3 = I, where I is the identity matrix.
c) Hence show that for positive integers n and m:
I
for n
P"=P
P²
for n
=
3m
= 3m +1
for n =
3m +2
Transcribed Image Text:A permutation operator, P, in a 3 dimensional linear vector space with basis vectors ê, ê, ê, has the following operation on the basis vectors: Pê₁ = ê3 Pê₂ = ê¹ Pê3 = ê₂. a) Derive P, the matrix form of the operator P, with the same basis used for the input and output spaces. Note: If you cannot solve this part then use the following matrix for the next two parts: Го о 17 100 10 b) Show that P3 = I, where I is the identity matrix. c) Hence show that for positive integers n and m: I for n P"=P P² for n = 3m = 3m +1 for n = 3m +2
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