,
- D U
Q, ,
A,
D U = Q - A *..
Q, - ,
D U
A
Q = D U + A
,
-
.... .11) .
A = × D V= 0
, - , .
D U -
Q = D U
A = × D V,
Q = D U + A = U 2- U 1+ × D V = U 2- U 1+ × V 2- × V 1 = (U 2+ × V 2)- (U 1+ × V 1) = 2- 1 = D
= U + × V
,
D = D U + × D V - -
, - ,
Q = D
, , D < 0
, , D > 0
- ,
. - - -
. .
A = × D V,
Q = D U + A = U 2- U 1+ × D V = U 2- U 1+ × V 2- × V 1 = (U 2+ × V 2)- (U 1+ × V 1) = 2- 1 = D
= U + × V
-. -.
- -
, - Q = D , .
-:
- - - .
|
|
|
-
-
: 2 2 ..
- - . - -
1 -, =25=298, =1 =101
: 2 2 + 1/22 = 2 D =-285 /
.
( )
.- ( -) - -,
.-
: 2()+ 2() 2(); 2 + 2 22 + 2 2
: ( ++ - 2)
.
: H
- D H = (c D H C + d D H D) (a D H A + b D H B) aA + bB cC + dD
- D H = (c D H C + d D H D) (a D H A + b D H B)
- D H = -D H D H
- .
- -
-
- . - -
-
. ( )
.- -
.
aA + bB cC + dD
D H = (c D H C + d D H D) (a D H A + b D H B)
: 6126() + 62() = 62() + 62() D =-2780 / .. /
6126 D =-1260 /
2 D =-285 /
2 D =-393 /
D =(D 6126 + 6D 2)-(6D 2 + 6D 2)=6 × (-285)6 × (-393)-(-1260)=-2780
.,
: 1 -
- 1,
-
