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