2.1 Matrix Operations Flashcards
1
Q
diagonal matrix
A
a square n x n matrix whose nondiagonal entries are 0
2
Q
two matrices are equal if
A
they have the same size and the corresponding entries are equal
3
Q
sum A+B matrices
A
m x n matrix whose columns are the sums of the corresponding columns in A and B
4
Q
scalar multiple rA
A
matrix whose columns are r times the corresponding columns in A
5
Q
transpose
A
the matrix whose columns are formed from the corresponding rows of A