​
(1,1)
1
(1,2)
2
(1,3)
3
(2,1)
2
(2,2)
1
(2,3)
3
(3,1)
3
(3,2)
2
(3,3)
1
integer entries in matrix
matrix
transpose
inverse
​
​
​
​
​
1
2
3
2
1
3
3
2
1
1
2
3
2
1
2
3
3
1
-0.42
0.33
0.25
0.58
-0.67
0.25
0.08
0.33
-0.25
trace
determinant
rank
​
​
​
3
12
3