Matricies Translations Flashcards
1
Q
How to find for X
A
X= A‐¹ B
2
Q
A + T =
A
A’
3
Q
Reflections, Rotation and Enlargements transformation matrix general formula
A
Transformation matrix x obj. Coordinate matrix= image coordinate matrix
(a b) (x) = (x’)
(c d) (y) (y’)
4
Q
Reflection in X axis
A
1 0
0 -1 = (x,y) -> (x,-y)
5
Q
Reflection in y axis
A
-1 0
0 1 (-x,y)
6
Q
Reflection in the line y=x
A
0 1 (y,x)
1 0
7
Q
Reflection in the line y=-x
A
0 -1
-1 0 (-y,-x)
