:
.
. ()
1,2,n
(1)
- .
(2)
2
: 1*,2*,n* (1)(2) (1)
1*,2*,n* (1)(2) (1) (2)
1,2,n
(3)
(4)
1,2,n
(5)
- .
(6)
3 - .
→max, Ž = -Z
31+72≤45
3≥0
31+72+ 3≤45
8
.
, :
11+22 →max (1)
a11x1+a12x2≤ b1
a21x1+a22x2≤ b2 (2)
am1x1+am2x2≤ bm
x1≥0 x2 ≥0
cj, bi, aij
, a11x1+a12x2≤ b1
a11x1+a12x2= b1
(2)
ai1x1+ai2x2≤ bi (ai1, ai2)
:
Z= 11+22 (1,2) 11+22= -
1
(1) (2) , (1) ( ) , (2)
1 , .
2
(1) .
|
|
.
1 () (2)
2. (1) =0 (.. 11+22=0)
3.
4. c1x2 + c2x2 = 0 N .
5. .
:
1. ( ) .
2. .
3. ( ) ( )
4.
9