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, Z.
= (1, 2) 1 2, , Z, - Z.
, Z , Z =const, Z.
, . .
:
1. , ;
2. , ;
3. ;
4. C = (c1,c2);
5. Z = c1x1 + c2x2 = 0, ;
6. Z = c1x1 + c2x2 , (), , ;
7. .
( . 1) .
. 102 :
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2x1 + 3x2 = 9 (L1)
3x1 + 2x2 = 13 (L2)
x1-x2 = 1 (L3)
x2 = 2 (L4)
x1 = 0
x2 = 0.
- , , , , . , , . OABFD.
205 ()
Z = 3x1 + 4x2 = 0 - = (3,4) 0 , . Z = 0 . .... , F, . F L1 L3. :
2x1 +3x2 = 9
x1-x2 = 1.
: x1 = 2,4; x2 = 1,4. x1 x2 :
Zmax = 3*2,4 + 4*1,4 = 12,8.
, 1 2,4 ., 2 - 1,4 . , , 12,8 ..
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