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СБОРНИК ЗАДАЧ ПО МАТЕМАТИКЕ ДЛЯ ТРАНСПОРТНЫХ СП...doc
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Вариант 7

  1. f(X) = x1 + 2x2 + x3 max

x1 + 2x2x3 + x4 =3

x1 – 4x2 + x3 = - 2

xj 0, j = 1, 2, 3, 4.

  1. f(X)=x1 + 2x2 max

0 x1 2

0 x2 3

x1 + x2 3

xj 0, j = 1, 2.

  1. f(X) = 2x1 + x2 max

x1 + x2 2

x1 – x2 1

xj 0, j = 1, 2.

  1. f(X) = x1 + 4x2 + x3 max

4x1 + 11x2 + 3x3 = 7

x1 + x2 – x3 =4

xj 0, j = 1,2,3.

  1. f(X) = x1 - x2 + 3x3 max

x1 + x2 - 2x3 = 0

x1 + 2x2 - 3x3 =1

xj 0, j = 1,2,3.

6. f(X)= 4x1 + 5x2 + 9x3 + 11x4 max

x1 + x2 + x3 15

7x1 + 5x2 + 3x3 + 2x4 120

3x1 + 5x2 + 10x3 + 15x4 100

xj 0, j = 1,2,3,4.

7. f(X) = 4x1 + 3x2 min

x1 + 2x2 5

2x1 + 3x2 1

x1 0, x2 0.

8. f(X)= - 2x1 - 3x2 + x3 - 2x4 min

x1 + x2 + x3 + x4 2

- x1 - 2x2 + 4x3 - 7x4 2

xj 0, j = 1,2,3,4.

9. f(X) = 2x1 + x2 max

x1 + x2 2

x1 – x2 1

xj 0, j = 1, 2.

10. f(X) = x1 + 4x2 + x3 max

4x1 + 11x2 + 3x3 = 7

x1 + x2 – x3 =4

xj 0, j = 1,2,3.

Вариант 8

  1. f(X) = x1 + 2x2 min

x1x2 1

x1 + x2 -1

x1 0, x2 0.

  1. f(X) = 4x1 + 2x2 max

-x1 + 2x2 6

x1 + x2 9

3x1 – x2 15

x1 0, x2 0.

  1. f(X) = x1 + 2x2 max

x1 – x2 1

x1 – 2x2 2

x1 0, x2 0.

  1. f(X) = x1 + 2x2 + x3 max

x1 + x2 + x3 + 5x4 = 4

x1 – x2 – x3 + x4 = 2

xj 0, j = 1, 2, 3, 4.

  1. f(X) = 6x1 + 9x2 + 3x3 min

-x1 + 2x2 + x3 2

3x1 + x2 - x3 1

x1 + 2x2 - 3x3 =1

xj 0, j = 1,2,3.

  1. f(X) = x1 - 2x2 + 3x3 min

-2x1 + x2 + 3x3 =2

2x1 + 3x2 + 4x3 =1

xj 0, j = 1,2,3.

7. f(X) = 3x2 + 4x1 max

2x1 + 5x2 1

3x1 + x2 2

- x1 + 2x2 3

x1 0, x2 0.

8. f(X)= x1 + x2 - x3 – 2x5 min

x1 - 2x2 + x4 = - 3

x3 - 2x3 =2

3x2 – x4 + x5 5

x2 + x3 3

xj 0, j = 1,2,3,4,5.

9. f(X) = x1 + 2x2 max

x1 – x2 1

x1 – 2x2 2

x1 0, x2 0.

10. f(X) = x1 + 2x2 + x3 max

x1 + x2 + x3 + 5x4 = 4

x1 – x2 – x3 + x4 = 2

xj 0, j = 1, 2, 3, 4.

Вариант 9

  1. f(X) = 2xx2 min

2x1x2 12

x1 + 2x2 1

x1 + x2 6

x1 0, x2 0.

  1. f(X) = x2x1 max

x1 + 3x2 12

3x1 – x2 6

3x1 + 4x2 0

x1 0, x2 0.

  1. f(X) = x1 – 3x2 min

x1 – x2 3

x2 4

x1 0, x2 0.

  1. f(X) = x1x2 + 4x3 max

x1 + 2x2 – 3x3 = 3

2x1 – x2 + 4x3 = 1

xj 0, j = 1,2,3.

5. f(X) = -x1 + 2x2 - x3 min

x1 + 4x2 + x3 = 5

x1 - 2x2 – x3 = -1

xj 0, j = 1,2,3.

6. f(X)= 8x1 - 3x2 + x3 + 6x4 – 5x5 max

2x1 + 4x2 + x3 + x4 – 2x5 =28

x1 - 2x2 + x4 + x5 = 31

- x1 + 3x2 + 5x3 + 4x4 – 8x5 =118

xj 0, j = 1,2,3,4,5.

7. f(X) = 2x1 + 3x2 max

2x1 + 5x2 1

3x1 + x2 2

- x1 + 2x2 3

x1 0, x2 0.

8. f(X)= x1 + x2 - x3 + x4 – x5 max

3x1 + x2 + x3 + x4 – 2x5 =10

6x1 + x2 + 2x3 + 3x4 – 4x5 =20

10x1 + x2 + 3x3 + 6x4 – 7x5 =30

xj 0, j = 1,2,3,4,5.

  1. f(X) = x1 – 3x2 min

x1 – x2 3

x2 4

x1 0, x2 0.

  1. f(X) = x1x2 + 4x3 max

x1 + 2x2 – 3x3 = 3

2x1 – x2 + 4x3 = 1

xj 0, j = 1,2,3.