m
a
t
r
i
x
e
n
t
r
i
e
s
a
0
.
5
b
-
0
.
7
5
c
0
.
1
d
0
.
5
′
x
′
y
=
0
.
5
-
0
.
7
5
0
.
1
0
.
5
x
y
λ
1
=
0
.
5
0
+
0
.
2
7
λ
2
=
0
.
5
0
-
0
.
2
7
ν
1
=
0
.
9
4
+
0
.
0
0
0
.
0
0
-
0
.
3
4
ν
2
=
0
.
9
4
+
0
.
0
0
0
.
0
0
+
0
.
3
4