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-
HIJKLMNMOPQMNQ
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^F$%E,#%0#@0),#6
F.O-_;
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n
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M
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v
F
;x"P8"44);
Q
v
F qv=
b
Q
_c-QN_f
bNa_eegJi
7)%+2./Nv6
M
F

= = =
gi
Q Q
h g h i _NaO h g h aci accONd p z
π π
= = =
gi
^s!:%0#%l6>$;O-Ncgcai
[ ]
Mea g i h g i
H r t d vd d H
k F K F E Ak
σ σ
= + ≤
H
σ
;$,*16G1v1C1)O-NN
[ ]
H
σ
bOOM~fOMgC1i
vd
F
^x"%51)v846;
a _
N
N_-NM
vd
F n p m
−

Q h g iE E E E E= +
b
O
Q-NM
gC1ig
N
E

Q
E
;C8,%
P)P%li
t
F
b_fN`gJi
7%./
h
σ
bfe`OgC1i
J.5!896)g%0)A#rHmeQ`i
^6%]"8 ) 
7>$O-QMgcci
r x t
F k F=
bNMO-_fN`b_cMMgJi
7)%
x
k
;:2!%)./6
x


(V(a S5TUaSb
(V((_ S5TUaSbS^Sbj
W5,
F5:,)P€v1FeO:%0)AQcMHm
b
σ
bcOM
gC1i
ch
σ
bOcMgC1i
F5:,)P?v1FeO.y%0)AQfMHm
b
σ
bcOMgC1i
ch
σ
bOcMgC1i
m-\%]$6,*1v1
a((k65Z`l!!9
7>$f-N
[ ]
( )

h
H H H R v XH HL
s z z k k
σ σ
=

N
o
H
σ
bQHmuaMbQ-QcMuaMbf_MgC1i
Q
o
H
σ
bQHmuaMbQ-QfMuaMbO`MgC1i
7>$f-a;F,],)P
hQ
N
fM
mH
i
i
HE i i
i
T
N C n t
T
 
=
 ÷
 
∑
H;
hQ
N

Q
cMO
fM-NNMMM-eMc_h gN -MeNQO MaQ -MOQOi
Q
HE
N = +
b
f
`aa`-NM
7>$f-O
Qe
_M
HO HB
N H=
j5
NHO
N
b
f
QQeM-NM
f
Q
NcaO-NM
HO
N =
f
7;
N
N
HL

a((k65Z5!9
7>$f-Q;
[ ]
( )
M

h
F F f R v XF FL Fc
s y y k k k
σ σ
=
7.",],,2
hQ
N
fM
F
m
i
i
FE i
i
T
N CH n
T
 
=
 ÷
 
∑
M

FL
k =

Q
N
HL
k =
g
f
Q N
 e-NM
FE FE Fo
N N N> =
i
^H:2
F
s
bNaOg)f-Qi
^F0
N
R v xH
y y k =
72%./;
N
F
σ
 
 
bQccgC1i
[ ]

bQc-OcMbNfQegC1i
u•,*,2+,>$f-Ne;
[ ]
6
M-c
F ch
m
σ σ
=
gv1%0$Hmt_OMi
J.5
[ ]
6N
F
m
σ
bMc-OcMbefegC1i
[ ]
6Q
F
m
σ
bMc-OcMbefegC1i
F->!Y!!6!"ad!#$a S5TU
7>$gf-NO^`fi#) 
W
a
[ ]
N
_

Nh_
MPa
i
N
T
^C>6)) %0;
N
T
bQaO_MgJ-i
,;7E2),#,bO_N
[ ]
H
σ
bO_fgC1i
ba
ψ
)f-fGe
ba
ψ
bM-eac
MO_ g Ni
bd ba
u
ψ ψ
= +
bNf
H
k
β
;H:251),))f-a

z
bQ_g)Pi
Q N
-z u z=
bQ_-O_NbNQQN_
x*
Q
z
bNQQg)Pi
^73) 
( )
N Q
o
-
Q
m z z
a
+
= =
NMcaOgi
F
w
a
bNM`gi
a(6Y!!R
H:28]4;
N Q
h MOg i
w
y a m z z= − +

s) 
w
a
bNM`
H:28]E
N
x
bM-M_
Q
x
bM-N_c
c
C8, bN-O .y@
N
d
b_e-O
Q
d
bNc_
F#,)0)P
w
b
bOQN
.yP
Nw
d
b_e-OO
Qw
d
bNc_ef

H M H H w w H
z z z T k u b ud
ε
σ σ
= + ≤
M
z
^H:2!%)PP?1)f-Og`fi
M
z
bQaeg
Nh_
MPa
i
H
z
^H:2!%83#r16G$f-_e
Q h  Q
H b tw
z a
β
=
bN-ff
j?
b
β

tw
a
%./>$)f-NN

{N
z
ε
%./>$f-_f;
Nhz
ε α
ε
=
α
ε
;7>$=%Gf-_c%./
α
ε
bNf_ag:2)9?1i
7%./
Nhz
ε α
ε
=
bMac
H
k
^H:2)#16G
7>$f-_`
- -
H H H Hv
k k k k
β α
=
7%

bMMMf)f-NO
M
g
bOf;)f-Nf
N N
h fMMMM
w
v d n
π
=
bfc`ghi
72%./
Hv
k
bN_a
H
k
bNeQO
Q
Qae-Nff-Mac Q-_fN_a-NOa`-cNQ h ac-aNQ-_ceQe
H
σ
=
beMMgC1h
Q
m
it
[ ]
H
σ

NF
y

QF
y
g:283)PNQ)f-Nci
NF
y
b_aO
QF
y
b_fO
F
k
^:2)#,2;
F F F Fv
k k k k
β α
=
g$f-eOi
N
N
N
Q
F w w
Fv
F F
v b d
k
T k k

NF
σ
≤
QF
σ
bOOeNgC1h
Q
m
i
[ ]
QF
σ
≤
&(@e\\ aUUm5d
g7)%
6
h NOO
qt m
k T T= =
i
7>f-__%&%./
eMM
H
σ
=
i
7>gf-eci
6
- eMM- NOO
H H qt

σ σ
=
bOf`_
NOO
baMcagC1it
[ ]
N
6N
Mc
F ch
m
σ σ
=
bMc-OcMbefegC1i
6 Q Q
-
F F qt
k
σ σ
=
bOOeN
NOO
baMgC1it
[ ]
Q
6Q
Mc
F ch
m
σ σ

g`Ni
7)%
R v XH
z z k
;=./:2.((%0A#r52
@)
NM
^
xH
k
;H:2.(?.?)P
^70
R v L xH
z z k k
bN
^
H
s
;H:2
H
s
bNN
7;
 
-
o
H H HL
k
σ σ
=

N
fM- - - -
mH
i
i
HE h i
i
T
n
N l t
p T
 
 
 ÷
=
 ÷
 ÷
 
 
∑
gH;5%.ybfHmt_OMi
72%./%./,],NQ
_ _
N
cMO
fM-NNMMM-eMc_ h gN -MeNQO MaQ -MOQOi
Q
HE
N = +
beOce

k =

Q
N
HL
k =
g
Q QHE HL
N k>

N NHE HL
N k>
i
72$f-N
7%./;
N
H
σ
 
 
beM`gC1i
[ ]
QH
σ
b_a_gC1i
j5$,*16G*%!
[ ]
H
σ
b

i
T
N CH n
T
 
=
 ÷
 
∑
M
NF
σ
bNcHmbNc-N`Mb_eQg)f-Qi
M
QF
σ
bNc-NaMb_Mf
7%./
f f
N
c-MO
fM-NNMMM-eMc_ h gN -MeNQO MaQ -MOQOi
Q
FE
N = +
b
f
eOce-NM
f f
Q

bNaOg)f-Qi
^F0
N
R v xH
y y k =
72%./;
N
F
σ
 
 
bN`OegC1i
[ ]
QF
σ
bNaecgC1i
j5*
[ ]
F
σ
bNae-cgC1i%!
a(V:65Z!9m5d
u•,*16G+,>$fN_;
[ ]
6
Qc
H ch
m
σ σ
=

[ ]
6Q
F
m
σ
bMc-_eMbQaQgC1i
F->!Y!!6!"ad!#$a S5TU
7>$gf-NO^`fi#) 
NW
a
[ ]
N
_
N
Q
-
g Ni
H
W a
H ba
T k
a k u
u
β
σ ψ
= ±
7)%
a
k
:21 ,05:,)P3)Pf-O

H
k
β
;H:251),))f-a
H
k
β
bNM`O
72%./
W
a
bNe`Qagi
4(>!Y!!P6bn
(>!Y\P5
N
gMMN MMQi
W
m a= ÷
bg
Ne` Q`c÷
igi
x*bQOgi
0
M
_O
β
=
8%
 Ma`cfc
β

β
b
M
_O eM…
73) 
N Q
g i h Q
w
a m z z
β
= +
bNe`Qe
F
w
a
bNOM
a(6Y!!R
*:28]E;
N
x
bM-O
Q
x
bM-O
K(@e\f\SbU aU`l!
•,*16G6,*)r)P6%]>$
f-__;
( )
( )
[ ]

tw
a
%./>$)f-NN
)g h  i
t
a ga c
β
=
b
M
Qe
g
α
b
M
QM
>,,†i
o o
)g  h i
t t
a a
α α
=
b
M
QO
g
Q N
MO g i h a m z z c
β

bN_`-MO-
M
NO Qe…
hQ-_NebQ`e
g
w
b
b
w ba
a
ψ
;F#,)0)Pi
<
β
ε
{N
z
ε
%./>$f-_f;
Nhz
ε α
ε
=
α
ε
;7>$=%Gf-_cg:2)9?1i
[ ]
N Q
Ncc _QgNh Nh i z z c
α

v b d
k
T k k
β α
= +
N
Q h g Ni
w w
d a u= +
bfc_egi>$)f-NN
H
v
^7>$f-eQ
M
h
H H w
v g v a u
δ
=
bMcg
H
δ
bMMMQ)f-NO
M
g
bOf;)f-Nf
N N
h fMMMM
w
v d n

oe\e\SbU aU5
7>$f-e_f-ee
( )
[ ]
N N N N N
Q h
F F F w w F
T k y y y b d m
ε β
σ σ
= ≤
[ ]
Q N Q N Q
h
F F F F F
y y
σ σ σ
= ≤
7)%;
Nhy
ε α
ε
=
bMO``
N hNeM Mc`y
β
β
= − =
g:2!%%0)P(%4i
NF

= +
g$f-efi
M
h
F F w
v g v a u
δ
=
bQeg
F
δ
bMMMf)
M
g
bOf)f-Nfi
72f-ef%./
Fv
k
bMMOb{
F
k
bNMO
7f-e_%./
NF
σ
bOQ`_gC1h
Q
m
i
[ ]

σ σ
= =
becfa`gC1it
[ ]
6
H
m
σ
b`OQgC1i
g
[ ]
6
Qc
H ch
m
σ σ
=
bQc-_eMb`OQgC1ii
7>gf-e`i
6
-
F F qt
k
σ σ
=
Ne
6N N
-
F F qt
k

=
bMc-_eMbQaQgC1i
m‚
72 s+, 72 s+,
s) 
w
a
bNOM
H:28]E
N
x
bM-O
Q
x
bM-O
C8, bQ-O .y@
N
d
bfaOQ
Q
d
bQ_Q-e`
F#,)0)P
w
b
beO
.y%E)P
Na
d
ba_-fc

bcOM
ch
σ
bOcMgC1i
(X((S^!U aU
NO
F
r4
F
a4
F
t4
F
t6
F
r6
F
a6
F
t3
F
t5
F
a5
F
r5
F
t1
F
r1

a
F
;x"8) 
t
F
;x"@
7%6%]"8 ) 
N
N Q
Q
Q-QaO_M
_eO
t t
w
T
F F
d
= = =
bNO`fgJi
N Q
- OcM`
r r t
F F F
α
= = =
gJi
Q
_ O e f
NeMeQf
fcN`

F F
α
= =
b_Q`NgJi
-  _cMM fM
x r
F F c c
α
= =
bN`MMgJii
x"3?12;
gMQ M_i
t tk
F F=
bNeMgJi
Nf
g7)%
tk
F
"@3?12
M
Q
tk
T
F
D
=

M
D

d
bQOgi
u7) LL;
[ ]
τ
bNcgC1i
_
Q
NeMeQf
MQ-Nc
d ≥
b__`gi
Q
d
b_Ogi
u7) LLL;F
[ ]
τ
bQcgC1i
_
_
eOaNQa
MQ-Qc
d ≥
be__cgi
_
d
beOgi
Fi7) 
7>NM-Q6%]#)0‚P

gN Q NOieO
m
l =
bOe~fa
_em
l
bfMgi
F#,8?12;
N
gN-e Q-Oi
m
l d=
b_O fQ-Ogi
m
l
beMgi
usˆrG+,%)01r
B+,*
N
NMk =
gi
usˆrG‚%)1*
Q
Ok =
gi
usˆrG+,%A1‚*
_
NMk =
gi
Na

Ofgi
( )
Q_ QQ QQ Q_ N
M-O
m m
l l l l k= + + +
bNN`gi
( )
__ Qe Q_ Q_ Qe N
M-O
m m
l l l l l k= = + + +
bNcQgi
_N QN NN __ _Q
l l l l l= = = +
bQ_cgi
[ ]
_N _ M _e
M-O
c n m
l h k b l= + + +
bf`Ogi
7) L;
Nc
( )
NQ M _
M-O
m n
l l b k h= + + +
bO`-Ogi

bQ`MeOgJi
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