ex7-1

507 days ago by maxroot123

A = matrix(QQ, 3, 3, [1, 0, 0, 1, 2, -1, -3, 1, 0]) print(A) print('det = ', A.det()) 
       
[ 1  0  0]
[ 1  2 -1]
[-3  1  0]
('det = ', 1)
[ 1  0  0]
[ 1  2 -1]
[-3  1  0]
('det = ', 1)