Matrix

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Across
  1. 1. product the second name is inner product
  2. 4. the second name is additive identfy
  3. 7. A+B=B+A what is the name this transaction
  4. 9. what is this formula?
  5. 10. 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
Down
  1. 2. is a function f:R^n=R^m defined by:f(u)=A*U
  2. 3. echelon form 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
  3. 5. combination if A1,A2...Ak are m*n matrices and C1,C2...Ck are real number
  4. 6. every time of the main diagonal is zero
  5. 8. or n*1 what is it?