1. = {a1, a2,..., m } R.
, R, .
2. M R , sup M.
M R , sup M=+ .
3. R , R.
M R , (inf M). M R ,
inf M =- .
5. x1, x2,,xr, r ≥2, , , .
. .
:
- :
6. n- n.
7. n n- n- .
8. :
,
(. . n- ) (. . m- ). .
m , r m. , .
9. , , .
10. , max min , .
11. D , D, D .
.., .. ..
1. , , .
, , . , :
, 1, 2 () . . : |
1. .
, , , , .
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2. . , , .
.
- .
: (1) .
- ( .. ).
:
:
: (2)
(1), (2) : - .
, , .
, .. , .
, .
, .. ■
: I ={1,2m} J= {1,2n}, I= I1U I2, I1 Ç I2 = Æ, J= J1UJ2, J1Ç J2 = Æ, ij, bi, j, iÎI, jÎJ.
1 ( )
(1)
= (1,2, n,), (2)
:
1. j ³0 jÎJ2 (3)
2. (4)
1* ( ).
(5)
y= (y1,y2,..ym), (6)
:
1. yi ≥ 0 iÎI2 (7)
2. (8)
.
(2), (6), (3), (4) (7), (8) 1 1* .
(2), (6), (1) (5) , .
1 1*
1:
1 1*
(x) £ (), (9)
(9) , :
(10)
(11)
1 1*
. 1.
1*.
(x) £ v ()
1 1*()
.
: ,
,
▄
= (1,2, n,) 1 y= (y1,y2,..ym) 1*,
m () = n ()(1)
y= (y1,y2,..ym) 1*.
.
, (1). , .
′ 1 (′≠), ′ . 1, . . m (′) ≤ n () =m () m (′) ≤m (). .
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, .
′ 1* (′≠), ′. 1, . . n (′)≥ m ()= n () n () ≤ n (′). .▄