, . . , .
: , , . :
M = kPY
M
k
P
Y
, :
tga = 1/k
.
:
(M/P)D = L (i, Y)
i
M
P
Y
:
i = r
:
- :
Y/2
TC = FN + iY/2N
F
dTC/dN = F + ( iYN 2/2)
dTC/dN = 0
N* = Ö(iY/2F)
Y/2N = Ö(YF/2i)
() .
. , , , :
(M/P)D = L (ra, rb, pe, w)
:
1. .
2. .
, .
:
M1 = C + D
M1
C
D
M0
M2 = M1 + +
M1
M3 = M2 +
: , .
:
1. .
2. .
3. .
4. .
:
1. ( ).
2. .
3. .
:
1. , - .
2. , (, ).
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3. ( , , , , , ).
, :
1. . ( ), .
2. , , . .
3. .
. ( ):
rr = OR/D * 100%
rr
OR
D
38 , 20%. , 5%.
:
ER = D OR
ER
D
OR
rr = 10%
A. ∆D = 10000; ER = 9000 = ∆D rr * ∆D = ∆D(1 rr)
B. ∆D = 9000; ER = 8100 = ∆D(1 rr)2
C. ∆D = 8100; ER = 7290 = ∆D(1 rr)3
∆MS = ∆D + ∆D(1 rr) + ∆D(1 rr)2 + ∆D(1 rr)3 + = ∆D[1 + (1 rr) + (1 rr)2 + (1 rr)3] = ∆D * (1/1 (1 rr)) = ∆D * 1/rr = ∆D * multB = 10000 * 1/0,1 = 100000
z = 1 + x + x2 +
xz = x + x2 + x3 +
z(1 x) = 1
z = 1/(1 x)
multB = 1/rr
ER * multB
, . - , .
M = C + D
M
C
D
rr = OR/D * 100%
rr
OR
D
R = OR + ER
R
OR
ER
B = C + R
B
C
R ()
cr = /D * 100%
cr
C
D
multM = M/B = (C + D)/(C + R) = (cr * D + D)/(cr * D + rr * D) = D(cr +1)/D(cr + rr) = (cr + 1)/(cr + rr)
multM
M
B
C
D
R ()
cr
rr
∆M = multM * ∆B
∆M
multM
∆B