Matrices Flashcards
1
Q
Enlargement by scale factor K
A
[K 0]
[0 K]
2
Q
Reflection in the x-axis
A
[1 0]
[0 -1]
3
Q
Reflection in the y-axis
A
[ -1 0]
[0 1]
4
Q
Reflection in y=x
A
[0 1]
[1 0]
5
Q
Reflection in y=-x
A
[0 -1]
[-1 0]
6
Q
Rotation 90° clockwise
A
[0 1]
[-1 0]
7
Q
Rotation 90° anticlockwise
A
[0 -1]
[1 0]
8
Q
Rotation 180°
A
[ -1 0]
[0 -1]
9
Q
Identity matrix
A
[1 0]
[0 1]
10
Q
[K 0]
[0 K]
A
Enlargement by scale factor K
11
Q
[1 0]
[0 -1]
A
Reflection in the x-axis
12
Q
[-1 0]
[0 1]
A
Reflection in the y-axis
13
Q
[0 1]
[1 0]
A
Reflection in y=x
14
Q
[0 -1]
[-1 0]
A
Reflection in y=-x
15
Q
[0 1]
[-1 0]
A
Rotation 90° clockwise
16
Q
[0 -1]
[1 0]
A
Rotation 90° anticlockwise
17
Q
[ -1 0]
[0 -1]
A
Rotation 180°
18
Q
[1 0]
[0 1]
A
Identity matrix
