Matrix Flashcards
1
Q
any square matrix A can be written in the terms of sym and skew sym matrix
A
A= [ (A+A’)(this is the sym part) +(A-A’)(this is the skew sym part)]
2
Q
what is idempotent matrix
A
A=A^2
3
Q
what is Orthogonal matrix
A
A.AT = I
3
Q
what is symm matrix
A
A’=A
4
Q
what is skew symm matrix
A
A’=-A
4
Q
A
5
Q
A
6
Q
A
7
Q
A
7
Q
A
8
Q
A
8
Q
A
8
Q
A
9
Q
A
9
Q
A
