matrices

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Across
  1. 2. a ---- has all elements as zero
  2. 4. a= [aij]mxm is a ---- matrix if aij=0
  3. 5. a is a--- matric if a1=a-1
  4. 7. is an ordered rectangular array of numbers or functions.
  5. 9. a mn matrix is a --- matrix
Down
  1. 1. --- of matrix a is denoted by a-1
  2. 3. a colun has only --- column
  3. 5. a diagnl mtrx is said to be --- matrix if itskj
  4. 6. [aij]m is a ----- matrix
  5. 8. [aij] is a --- matrix