Matrices Flashcards
1
Q
How do you refer to matrices
A
RC row by column
2
Q
Subtraction or addition of matrices
A
add or subtract corresponding elements
3
Q
Matrices are comfortable for multiplication if
A
the # column one is equal to the # rows in the other
4
Q
how do you multiply matrices
A
row by column rc and add products
5
Q
How to transpose a matrix A’ or Aᵀ
A
Interchange rows and columns
6
Q
A⁻¹
A
1/|A| by Matrix of cofactors