Across
- 2. if A=[aij] is a m*n matrix then the...of A is denoted by A^t= [aij^t] is in the form of n*m
- 3. A+B=B+A what is the name of transaction
- 7. is a function f:R^n =R^m defined by:f(u)=A*U
- 9. ax=b what is this formula?
Down
- 1. all zero rows are at the bottom of the matrix.Each leading nonzero entry in a row is to the right of the leading nonzero entry in the preceding row
- 4. the second name is inner product
- 5. if A1,A2...Ak are m*n matrices and C1,C2..Ck are real numbers
- 6. every time of the main diagonal is zero
- 8. the second name is additive identify