minormatrix(a, i, j)

Returns the minor matrix of matrix a corresponding to row i and column j.


See also minor cofactor 


Example


a = ( 1, 2, 3 ; 4, 5, 6 ; 7, 8, 9 )

1  2  3

4  5  6

7  8  9

minormatrix( a, 2, 1 )

2  3

8  9