.
4. .
. .
, ( ) . " " , .
:
: R2 E2. , .
:
5. . . . .
. 2.6.
. 2.6 4 6 , 1 .
N1 = N 1 = 3
N2 = N6 N + 1 N. = 2
, 5 3 2 .
1 :
2 :
5 , .
6.
() , . , , . . .
, N. = NB N + 1 N.. , :
R11IK1 + R12IK2 + + R1NIKN = E11;
R21IK1 + R22IK2 + + R2NIKN = E22;
(2.3)
RN1IK1 + RN2IK2 + +RNNIKN = ENN,
R11, R22, , RNN - 1 , 2 , ,
N ( , );
RKN, RLM = RML () L M ;
E11, E22, , ENN - , 1 ,
2 , N .
. .
, , -, +.
, +, -.
, . + , - - .
N , , , . .
1. ;
2. ;
3. ;
4. ;
5. .
: . 2.7 .
. 2.7.
:
NB = 6; N = 4; NT = 1;
N.. = 6 4 + 1 1 = 2;
IK1(R1 + R2 + R3) + IK2R3 + IK3R2 = E1 E3
IK1R3 + IK2(R3 + R4) IK3R4 = E2 E3
IK3 = J
:
I1 = IK1; I2 = IK2; I3 = - IK1 IK2;
I4 = IK2 J; I5 = IK1 J.
7.
() , , , . . , , .
, , :
G11U1 G12U2 G1NUN = S
EG + S
J
G11U1 + G22U2 G2NUN = S
EG + S
J
(2.4)
GN1U1 GN2U2 GNNUN = S
EG + S
J
G11, G22 GNN 1 , 2
N , , 1 ,
2 N ;
GKM = GMK () , , ;
S
EG, S
EG S
EG ,
1 , 2 N , ;
S
J, S
J S
J ,
.