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1. Z1<0
2. Z2>0

. Z1 < 0 , .

, . Z- , . , .

Z- (. 3.58).

Z=C1R1+C2R2+C3R3+...+CnRn, (3.58)

R1,R2,R3,...,Rn , n;

C1,C2,C3,...,Cn , R1,R2,...,Rn.

Z , .

1968 . 60 , 1946 1965 , . 20 , . . (. 3.59).

Z2=0.012*X1+0.014*X2+0.033*X3+0.006*X4+0.999*X5, (3.59)

Z2 Z- ;

1, 2, 3, 4, 5 , 3.60, 3.62, 3.63, 3.64, 3.65.

1= , (3.60)

, 3.61;

.

=-, (3.61)

;

.

2= , (3.62)

.

3= , (3.63)

;

4= , (3.64)

;

.

5= , (3.65)

).

. , Z2 [-14; +22], , Z2>2,99 , Z2<1,81 , [1,81; 2,99] . Z2 (. . 3.10).

3.10





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