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.. .: , 1976. 264 c.
( ): metoditeoriisistemvzadacheneprerivnoy1976.djvu
<< 1 .. 41 42 43 44 45 46 < 47 > 48 49 50 51 52 53 .. 67 >>

.
16.
-
,
, . , ,
, .
-
182
-
(. 4
,
,

.

[26].
,
w (t, |) - '
(t) (t), ,
(4.1).

(/,, |).

0 (t)
(t) (. . 4.1).


:
lx (t) - 0 (<)]2 min. (4.36)

[2 (/,)]
(t) 0 (t):
D [ (i)] = D [ (t) - 0 ()] =
= D 1 (?)] -f D 10 (?)] - 2 [ (t) 0 (?)]. (4.37)
(3.34)
. 4.1 :
( t
D [% (^)] = 2 wTp {t, ^) dfc, wT (f, |) (|, ^) ,
D [0 (t)] = 2 j w (t, I) dl j w {t, u) kz (u, I) du,
(4.38)
ku (r], I) - M [ (t]) u (I)] -
S 16J

183
; kz (, I) = [z () z (?)] -
.

kx0{t,l) = M[x{t)x (t)] =
t t
= M j w (t,Q x (t) z (I) dl = j w (t, I) kxz (t, I) d?, (4.39) 0 0
kxz (t, g) = M [ (?) z (|)1 -
.
(1, I) :
^) = -1) + (1)*)} =
t
= J W-TV (t, 11) M {u (ri) [u (I) + n (1)1} dp =
0
1
= j" ^TP {t, 11) IK (11,1) + Kn (ti, I)] dp, (4.40)

kun -
. (4.39) :
t t
(ft ?) = J w {t, ^) d| J 11, (t, t]) [ku (p, i) T fcun (ii, i)]^p.
0
,
? = t ) = t,
(3.34).
t t
(/,?) = 2 J w{t, I) dl j (t, p) [ku (p, l) + kun(p, I)] dp.
5
(4.41)
184
-
[. 4
(4.38) (4.41) (4.37), :
i t
D [ (()] = 2 j (t, |) dl j (t, ) (, |) du -f
t t
+ 2 j w (t, I) dh, | j w (t, ) kz (, I) du -
0
t
- 2 j wrv (t, Tl) \ku (tl, I) + Kn (Tl, I)] ". (4.42)
,
-.
( I) = 0, kz (, I) = (, I) + (, |),
(4.42) :
t t
D [ (")] = 2 [ wrv (t, I) dl j w?p (t, ) ku (, ?) du + 6
t r
+ 2 [ w(t,QdlW iv(t,u)\ku(u,Q +K{u, l)]du -
X
t
- 2 j wrp (t, ti) ku (), I) dT)|

t
j Wtv (t, u) ku (u, ?) du, z
t
Hi (t, I) = j w (t, u) [ku (u, I) + kn (, i)] du - 2H1 (t, g)
(4.43)
D [ (t)J = Dt (tH) =
t t
= 2 j wTp (t,l)(t,l)dl + 2 j w(t, l)(t,I) dg. (4.44)

185
(4.43) ,

. ,
, . 4.6.
|
. , (4.44),
| t,
|.
(. 9),
,

= tB - t. . 4.7,
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