BAD
BAD
GOOD
BEST
0
0 0
( , )
( )
(r) ( )
( , )
L
K
L
an
L
G r
D r S
g
r
G r
θ
φ
θ
= ⋅ Λ ⋅
⋅
⋅
( )
2
0
K
P an
r
D( r ) S
g r
( r )
r
Λ
φ
= ⋅ ⋅
⋅
⋅
0
P
0 0
( , )
( )
g (r) ( )
( , )
L
K
an
L
G r
D r S
r
G r
θ
φ
θ
= ⋅ Λ ⋅
⋅
⋅
( )
2
0
K
L
an
r
D( r ) S
g r
( r )
r
Λ
φ
= ⋅ ⋅
⋅
⋅




