S
o
l
v
e
v
b
z
π
*
D
s
*
n
2
*
C
o
s
[
φ
]
*
F
d
,
F
d
=
=
3
2
*
W
*
2
f
3
π
*
H
*
-
3
k
*
k
*
π
*
H
4
*
W
*
f
e
-
-
k
*
π
*
H
4
*
W
*
f
e
k
*
π
*
H
4
*
W
*
f
e
+
-
k
*
π
*
H
4
*
W
*
f
e
,
f
Q
p
*
v
b
z
*
H
*
W
,
{
v
b
z
,
F
d
,
f
}