Matrices Flashcards
1
Q
Matrix for reflection in x-axis
A
( 1 0 )
( 0 -1 )
2
Q
Matrix for reflection in y axis
A
( -1 0 )
( 0 1 )
3
Q
Matrix for reflection in y = x
A
( 0 1 )
( 1 0 )
4
Q
Matrix for reflection in y = -x
A
( 0 -1 )
( -1 0 )
5
Q
Matrix for enlargement by length scale factor k
A
K * ( 1 0 )
( 0 1 )
6
Q
Matrix for stretch in the x direction by scale factor k
A
( k 0 )
( 0 1 )
7
Q
Matrix for stretch in the y direction by scale factor k
A
( 1 0 )
( 0 k )
8
Q
Shear that is x axis invariant with shear factor of k
A
( 1 k )
( 0 1 )
9
Q
Shear that is y axis invariant with shear factor of k
A
( 1 0 )
( k 1 )
10
Q
Matrix for rotation x degrees acw about O
A
(Cosx -Sinx)
(Sinx Cosx)