Biology Reference
In-Depth Information
t
=
2
:
v
F
(
2
)
=
max
π
1
π
2
P
(π
2
=
F
,
x
2
=
W
)
=
max
{
v
F
(
1
)
a
FF
e
F
(
W
), v
U
(
1
)
a
UF
e
F
(
W
)
}
=
e
F
(
W
)
max
{
v
F
(
1
)
a
FF
,v
U
(
1
)
a
UF
}
=
(
0
.
67
)
max
{
(
0
.
1667
)
∗
(
0
.
7
), (
0
.
3
)
∗
(
0
.
4
)
}
=
(
0
.
67
)
max
{
0
.
1167
,
0
.
12
}=
(
0
.
67
)
∗
(
0
.
12
)
=
0
.
0804
.
Since the max was achieved for
v
U
(
1
)
a
UF
,
the most
likely path into
F
at
=
2 came from
U
and we have ptr
2
(
)
=
t
F
U
. Similarly,
v
U
(
2
)
=
max
π
1
π
2
P
(π
2
=
U
,
x
2
=
W
)
=
max
{
v
F
(
1
)
a
FU
e
U
(
W
), v
U
(
1
)
a
UU
e
U
(
W
)
}
=
e
U
(
W
)
max
{
v
F
(
1
)
a
FU
,v
U
(
1
)
a
UU
}
=
(
0
.
4
)
max
{
(
0
.
1667
)
∗
(
0
.
3
), (
0
.
3
)
∗
(
0
.
6
)
}
=
(
0
.
4
)
max
{
0
.
05
,
0
.
18
}=
(
0
.
4
)
∗
(
0
.
18
)
=
0
.
072
.
Since the max was achieved for
v
U
(
1
)
a
UU
, the most likely path into
U
at
t
=
2 came
from
U
and we have ptr
2
(
U
)
=
U
.
=
:
t
3
v
F
(
3
)
=
max
π
1
π
2
π
3
P
(π
3
=
F
,
x
3
=
W
)
=
max
{
v
F
(
2
)
a
FF
e
F
(
W
), v
U
(
2
)
a
UF
e
F
(
W
)
}
=
e
F
(
W
)
max
{
v
F
(
2
)
a
FF
,v
U
(
2
)
a
UF
}
=
(
0
.
67
)
max
{
(
0
.
0804
)
∗
(
0
.
7
), (
0
.
072
)
∗
(
0
.
4
)
}
=
(
0
.
67
)
max
{
0
.
0563
,
0
.
0296
}=
(
0
.
67
)
∗
(
0
.
0563
)
=
0
.
038
.
Since the max was achieved at
v
F
(
2
)
a
FF
, the most likely path into
F
at
t
=
3 came
from
F
and we have ptr
3
(
F
)
=
F
. Finally,
v
U
(
3
)
=
max
π
1
π
2
π
3
P
(π
3
=
U
,
x
3
=
W
)
=
max
{
v
F
(
2
)
a
FU
e
U
(
W
),v
U
(
2
)
a
UU
e
U
(
W
)
}
=
e
U
(
W
)
max
{
v
F
(
2
)
a
FU
,v
U
(
2
)
a
UU
}
=
(
0
.
4
)
max
{
(
0
.
0804
)
∗
(
0
.
3
), (
0
.
072
)
∗
(
0
.
6
)
}
=
(
0
.
67
)
max
{
0
.
0241
,
0
.
0432
}
=
(
0
.
4
)
∗
(
0
.
0432
)
=
0
.
017
.
The max was achieved for
v
U
(
2
)
a
UU
, thus the most likely path into
U
at
t
=
3 came
from
U
and we have ptr
3
(
U
)
=
U
.
Search WWH ::
Custom Search