-
, , , . , , ( ).
, , : , ( ), , ()
.
() .
:
1. ;
2. , ;
3. ;
4. .
, .
, ( .). , , () .
, . . . , .
, , , . . .
(). .
:
n | ||||||
a11 | a12 | a1n | £A1 | |||
a21 | a22 | a2n | £A2 | |||
... | ||||||
m | am1 | am2 | amn | £Am | ||
b11 | b12 | b1n | ³k1Z | |||
b21 | b22 | b2n | ³k2Z | |||
r | br1 | br2 | br n | ³krZ | ||
x1 | x2 | xn | ||||
, m , r , n .
|
|
k1, k2,, kr Z.
aij , i - j - , , i=1,,m; j=1,,n.
bij , i - j - , .
max Z ( )
a11x1+ a12x2 ++ a1nxn £A1
a21x1 + a22x2 ++ a2nxn £A2
...
am1x1+ am2x2 ++ amnxn £Am
b11x1+ b12x2 ++ b1nxn ³k1Z
b21x1+ b22x2 ++ b2nxn ³k2Z
...
br1x1+ br2x2 ++ br nxn ³krZ
xj³0
j=1,,n.
: , Z .
n+1 m+r .
. , .
max Z
a11x1+ a12x2 ++ a1nxn £A1 y1
a21x1 + a22x2 ++ a2nxn £A2 y2
...
am1x1+ am2x2 ++ amnxn £Am ym
-b11x1 -b12x2 - -b1nxn+ k1Z£0 ym+1
-b21x1-b22x2 - -b2nxn+ k2Z£0 ym+2
...
-br1x1-br2x2 - -br nxn+krZ£0 ym+r
xj³0,
j=1,2,,n.
:
min (A1y1+A2y2 + + Amym)
a11y1+a21y2+ + am1ym -b11ym+1 b21ym+2 - - br1ym+r³0
a12y1+a22y2+ + am2ym -b12ym+1 b22ym+2 - - br2ym+r³0
...
a1ny1+a2ny2+ + amnym -b1nym+1 b2nym+2 - - brnym+r³0
k1 ym+1 + k2 ym+2 + + kr ym+r³1
yi³0, i=1,2,,m+r.
:
- , 0.
.
.
1. : , , 0 (. 1- ).
2. : , , 0 (. 2- ).
3. : , . . xi ¹0, >0, , : :
a11y1+a21y2+ + am1ym=b11ym+1 + b21ym+2 + + br1ym+r
a12y1+a22y2+ + am2ym=b11ym+1 + b22ym+2 + + br2ym+r
|
|
.
a1ny1+a2ny2+ + amnym=b1nym+1 + b2nym+2 + + br nym+r
, .
k1ym+1 + k2ym+2 + + krym+r =1 , k1,k2,,kr .
, :
max Z=min (A1y1+A2y2 + + Amym).
- ( , ).