/
1. / .
2. .
3. .
/
/ . .
- , , . .
( , ) . , , , .
, . .
:
V - ;
- ;
- ;
- .
(V) . . , .
() , . , , , .
() : , .
() : , .
(. 1-2).
(V, , , ) : = ∑ (V ) ( - )
.1.
, ..
V | V | V | |||||
V | V | V | |||||
- | - | - |
|
|
2
. 2.
V | |||||
- | |||||
1 | I | ||||
2 | - | ||||
3 | - | ||||
- |
(I) ( ), - ( ), , , :
I = /
1 = I
2 ,
:
∆(V) = 1 -
∆() = 2 - 1
∆() = 3 - 2
∆() = - 3
∆() = -
: V, , . :
:
= V ( - )
= V ( - )
∆(V) = (V - V) ( - )
∆() = ( - ) V
∆() = ( - ) V
∆() =
:
1 = V ( - )
2 = V ( - )
∆() =
∆(V) = 1
∆() = 2 1
∆() = 2