Determine if the matrix does any of the following: • A rotation • A projection • A reflection • Preserves the shape of the unit square • Preserves the area of the unit square

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.6: The Matrix Of A Linear Transformation
Problem 37EQ
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Question
A =
2
1
O
-1
-2
C=
2
1
-1
-2
[0.5 0.0]
0.0 2.0
-2 -1
0
-2
NO
Ce₁
-1
Ae₂
Ce₂
Ae₁
0 1
0 1
2
2
B =
2
1
0
-1
-2
D=
2
1
-1
-2
ALAS
-2
4
[0.5 0.5]
[0.5 0.5]
-2
22
1
0.433 0.250
-0.250 0.433]
Be₂
0
Be₁
1
De₂
De
1
2
2
E =
2
-1
-2
-2
劃
[0.866 -0.500]
0.500 0.866
Ee₂
Ee₁
-1 0 1 2
Transcribed Image Text:A = 2 1 O -1 -2 C= 2 1 -1 -2 [0.5 0.0] 0.0 2.0 -2 -1 0 -2 NO Ce₁ -1 Ae₂ Ce₂ Ae₁ 0 1 0 1 2 2 B = 2 1 0 -1 -2 D= 2 1 -1 -2 ALAS -2 4 [0.5 0.5] [0.5 0.5] -2 22 1 0.433 0.250 -0.250 0.433] Be₂ 0 Be₁ 1 De₂ De 1 2 2 E = 2 -1 -2 -2 劃 [0.866 -0.500] 0.500 0.866 Ee₂ Ee₁ -1 0 1 2
Determine if the matrix does any of the following:
A rotation
• A projection
• A reflection
• Preserves the shape of the unit square
• Preserves the area of the unit square
Transcribed Image Text:Determine if the matrix does any of the following: A rotation • A projection • A reflection • Preserves the shape of the unit square • Preserves the area of the unit square
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