(
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
