Matrix

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Across
  1. 6. What is the matrix that only has its inverse
  2. 8. The dimension of the row(or column)space of matrix
  3. 9. A matrix is formed by writing it columns as rows?
  4. 11. A matrix that doesn't have an inverse
  5. 12. What we needed to find cofactor?
  6. 13. The dimension of the null space of matrix
  7. 14. Every square matrix can be associated with a real number called its...
Down
  1. 1. A-|a11=2,a12=-3 a21=1 a22=2| B=|a11=2 a12=1 a21=0 a22=5| find D1+D2
  2. 2. A=|a11=2 a12=3 a21=-1 a22=4| and B=|a11=3 a12=-1 a13=3 a21=1 a22=2 a23=4| find A x B,then a12+a22=?
  3. 3. What is a linear system of the form ax=0 called?
  4. 4. A matrix that have an inverse
  5. 5. What is a matrix where the diagonal is all 1 and the rest are all zero
  6. 7. A diagonal matrix, which all terms on the main diagonal are equal?
  7. 10. A rectangular array arranged in horizontal rows and vertical columns