1
. . 1.
1
, / | ||||||
1 | 2 | 3 | 4 | 5 | , | |
-1 | ||||||
-2 | ||||||
, |
:
1. .
2. .
3. , .
4. .
:
:
m - ( );
n - ( );
i - :
j - :
i- i, m ; j, n ;
i j- ;
- i j ;
- , i , ;
- j , ;
- .
(.2)
2
n | ||||||
C11 X11 | C12 X12 | C13 X13 | C1n X1n | A1 | ||
C12 X21 | C22 X22 | C23 X23 | C2n X2n | A2 | ||
m | Cm1 Xm1 | Cm2 Xm2 | Cm3 Xm3 | Cmn Xmn | AM | |
B1 | B2 | B3 | Bn |
, , : , :
:
:
i j :
:
, j , :
|
|
:
, , .
:
149 + 163 + 382 = 694
139 +165 + 120 + 130 + 140 =694
().
.3.
3
, ./ | ||||||
1 | 2 | 3 | 4 | 5 | , | |
-1 | X11 | X12 | X13 | X14 | X15 | |
-2 | X21 | X22 | X23 | X24 | X25 | |
X31 | X32 | X33 | X34 | X35 | ||
, |
1)
Z=55x11+48x12+49x13+60x14+25x15+45x21+35x22+96x23+55x24+66x25+47x31+66x32+
+90x33+65x34+20x35 min;
2)
:
x11+x12+x13+x14+x15=149,
x21+x22+x23+x24+x25=163,
x31+x32+x33+x34+x35=382;
:
x11+x21+x31=139,
x12+x22+x32=165,
x13+x23+x33=120,
x14+x24+x34=130,
x15+x25+x35=140.
3) :
149+163+382 = 139+165+120+130+140=694;
4) :
x11 0, x12 0, x13 0, x14 0, x15 0, x21 0, x22 0, x23 0, x24 0, x25 0, x31 0,x32 0, x33 0, x34 0, x35 0;
(.4).
4
, ./ | ||||||
1 | 2 | 3 | 4 | 5 | , | |
-1 | 149 147 | |||||
-2 | ||||||
382 242 | ||||||
, |
:
) :
2+120+27=149
163=163
139+103+140=382
) :
139=139
163+2=165
120=120
27+103=140
.
:
:
, m , n .
7 (m+n-1)=3+5-1=7; .
:
Z= =2*48+120*49+27*60+163*35+139*47+103*65
+140*20=29329
.
( .
:
onst ; max=90, , 90+48=138 ..
min , . (.5).
|
|
5
, ./ | ||||||
1 | 2 | 3 | 4 | 5 | , | |
90 -1 | ||||||
103 -2 | ||||||
85 | ||||||
, |
, .
, :
Z =
Z. = (62*139+68*165+69*120+80*130+35*140) (20*149+33*163+15*382) =29329.
.6.
6
j i | , | |||||
, |
: 29329 . :
1: 2 2 , 120 3 , 27 4 ;
2: 163 2 ;
: 139 1 , 103 4 , 140 5 .
2
4 , ( ) . 7.
7
(.../) | ||||||
/ | I | II | III | IV | , | |
. / | 2300*) | |||||
. | 29**) | |||||
18**) | ||||||
. | ||||||
, | 2100*) |
:
1) *) - + 100N; **) - + N (N - )
2) .
3) . , .
:
1: 3- ;
2: / 300 ;
3: ;
4: 900.
4) .