Geography Reference
In-Depth Information
Q
0
(
l,b
):=
y
0
,
Q
l
(
l,b
):=
y
10
l
+
y
01
b
=
α
+
β
=1
y
αβ
l
α
b
β
,
Q
2
(
l,b
):=
y
20
l
2
+
y
11
lb
+
y
02
b
2
=
α
+
β
=2
y
αβ
l
α
b
β
,
(15.32)
.
Q
n
(
l,b
):=
α
+
β
=
n
y
αβ
l
α
b
β
,
subject to the Taylor expansion
r
:=
G
11
G
22
=cos
B
1
E
2
sin
2
B
1
− E
2
−
=
r
0
+
r
1
b
+
r
2
b
2
+
r
3
b
3
+O(4)
,
(15.33)
namely
r
0
:=
1
0!
r
(0)
(
B
0
)=
r
(
B
0
)
,
r
1
:=
1
1!
r
(1)
(
B
0
)=
r
(
B
0
)
,
(15.34)
.
r
n
:=
1
1
n
!
r
(
n
)
(
B
0
)=
1
r
(
n
)
(
B
0)
,
n
(
n
−
1)
····
2
·
and vice versa
s
:=
G
22
G
11
=
1
− E
2
1
cos
B
E
2
sin
2
B
=
s
0
+
s
1
b
2
+
s
3
b
3
+O(4)=
1
−
(15.35)
=
r
−
1
r
−
0
r
1
b
+(
r
−
0
r
1
−
r
−
0
r
2
)
b
2
+(
r
−
0
r
1
+2
r
−
0
r
1
r
2
−
r
−
0
r
3
)
b
2
+O(4)
,
−
−
0
namely
s
0
:=
1
0!
s
(0)
(
B
0
)=
s
(
B
0
)
,
s
1
:=
1
1!
s
(1)
(
B
0
)=
s
(
B
0
)
,
(15.36)
.
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