CRASSWORD FF

2. A matrix with zero elements other than the main diagonal
4. When this sign {A^-1} is present, we find what is the matrix ?
9. n=rank(A)+nullity(A),What is n?
10. The row to which of multiple of pivot row is added is called the ____ row.
11. If W=(a11=sin a21=cos),compute W×W
12. A matrix whose main diagonal elements are equal and other elements are zero
13. Calculated by this formula: ..=(-1)^i+jMij

1. A system of row and column
3. If M12=-5, C12=?
5. A matrix with equal row and columns
6. What is the element called that becomes 1 in the Gauss-Jordan method ?
7. What is needed to find the determinant of a 3×3 matrix?
8. The dimension of the nullspace of A is called the _____ of A
10. a11=1, a12=-1, a13=2, C11=4, C12=0, C13=3 , calculate the determinant.
14. The dimension of the row(or column) space of a matrix A is called the ..... of A and is denoted by rank