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MAT110U

Game Theory

8. Ünite 20 Soru
S

⌈ 1  4  6 ⌉

⌊ 3  8  5 ⌋

What is the equilibrium pair of this matrix game?

⌈ 1  4  6 ⌉

⌊ 3  8  5 ⌋

lowest in rows : { 1 3 } ; max = 3

greatest in columns : { 3 8 6 } ; min = 3

max min : { 1st row , 1st column }

S

⌈ 11  5   9 

⌊ 15  7  10 

What is the equilibrium pair of this matrix game?

⌈ 11  5   9 ⌉

⌊ 15  7  10 ⌋

lowest in rows : { 5 7 } ; max = 7

greatest in columns : { 15 7 10 } ; min = 7

max min : { 2nd row , 2nd column }

S

⌈  5  2  4  6 ⌉

| -3 -5 -2 -4 |

⌊  3  -1  0  1 ⌋

What is the equilibrium pair of this matrix game?

⌈  5  2  4  6 ⌉

| -3 -5 -2 -4 |

⌊  3  -1  0  1 ⌋

lowest in rows : { 2 -5 -1 } ; max = 2

greatest in columns : { 5 2 4 6 } ; min = 2

max min : { 1st row , 2nd column }

S

⌈ -4  3  2  7 

| -5  2  1  6 |

⌊ -6 -2  5 -8 

What is the equilibrium pair of this matrix game?

⌈ -4  3  2  7 ⌉

| -5  2  1  6 |

⌊ -6 -2  5 -8 ⌋

lowest in rows : { -4 -5 -8 }  ; max = -4

greatest in columns : { -4 3 1 4 } ; min = -4

max min : { 1st row , 1st column }

S

⌈ 3  5  2 -4 -6 ⌉

| 2 -3  0 -1  4 |

⌊ 1 -4  6 -2  2 ⌋

What is the lower value of this matrix game?

3 5 2 -4 -6

2 -3 0 -1 4

1 -4 6 -2 2

lowest in rows : { -6 -3 -4 } ; max = -3

S

⌈ -3 -5 -2  4  6 

| -2  3  0  1 -4 |

⌊ -1  4 -6  2 -2 

What is the lower value of this matrix game?

⌈ -3 -5 -2  4  6 ⌉

| -2  3  0  1 -4 |

⌊ -1  4 -6  2 -2 ⌋

lowest in rows : { -5 -4 -6 } ; max = -4

S

⌈ -1 -3 -4  1 ⌉

|  2  1  3 -1 |

⌊  1 -3 -4  2 ⌋

What is the upper value of this matrix game?

⌈ -1 -3 -4  1 ⌉

|  2  1  3 -1 |

⌊  1 -3 -4  2 ⌋

greatest in columns : { 2 1 3 2 } ; min = 1

S

⌈ 2  4  5  0 ⌉

| 0  1 -1  3 |

⌊ 2  6  7  1 ⌋

What is the upper value of this matrix game?

⌈ 2  4  5  0 ⌉

| 0  1 -1  3 |

⌊ 2  6  7  1 ⌋

greatest in columns : { 2 6 7 3 } ; min = 2

S

⌈ -1 -2 

| -6 -3 |

⌊ -4  1 

What is the sum of the lower and the upper values of this matrix game?

⌈ -1 -2 ⌉

| -6 -3 |

⌊ -4  1 ⌋

lowest in rows : { -2 -6 -4 } ; max = -2

greatest in columns : { -1 1 } ; min = -1

sum = -2 + -1 = -3

S

⌈ 2  3 ⌉

| 7  5 |

⌊ 4  1 ⌋

What is the sum of the lower and the upper values of this matrix game?

⌈ 2  3 ⌉

| 7  5 |

⌊ 4  1 ⌋

lowest in rows : { 2 5 1 } ; max = 5

greatest in columns : { 7 5 } ; min = 5

sum = 5 + 5 = 10

S

⌈ -3  0 -4 -4 -5 ⌉

⌊ -1  1 -2  2 -6 ⌋

What is the minimax strategy of Player II in this matrix game?

⌈ -3  0 -4 -4 -5 ⌉

⌊ -1  1 -2  2 -6 ⌋

greatest in columns : { -1 1 -2 2 -5 } ; min = -5

S

⌈ 4  1  7  5  6 ⌉

⌊ 3  0  6 -1  8 ⌋

What is the minimax strategy of Player II in this matrix game?

⌈ 4  1  7  5  6 ⌉

⌊ 3  0  6 -1  8 ⌋

greatest in columns : { 4 1 7 5 8 } ; min = 1

S

⌈ (-2, -4)  (-1, -1)  (-5, -3) 

| (-6, -2)  (-2, -3)  (-4, -4) |

⌊ (-5, 0)    (-3, -4)  (-3, -2) 

What is the Nash equilibrium pair of this bimatrix game?

⌈ (-2, -4)  (-1, -1)  (-5, -3) ⌉

| (-6, -2)  (-2, -3)  (-4, -4) |

⌊ (-5, 0)    (-3, -4)  (-3, -2) ⌋ 

(greatest in column, greatest in row) = (-1 , -1)

S

⌈ (3, 5)  (2, 2)  (6, 4) ⌉

| (8, 4)  (4, 5)  (7, 7) |

⌊ (9, 3)  (6, 7)  (8, 5) ⌋

 What is the Nash equilibrium pair of this bimatrix game?

⌈ (3, 5)  (2, 2)  (6, 4) ⌉

| (8, 4)  (4, 5)  (7, 7) |

⌊ (9, 3)  (6, 7)  (8, 5) ⌋

(greatest in column, greatest in row) = (6 , 7)

S

⌈ (5, -5)  (4, -4)  (6, -6) 

| (5, -5)  (4, -4)  (6, -6) |

⌊ (3, -3)  (1, -1)  (-2, 2) 

Is this a zero sum matrix game?

⌈ (5, -5)  (4, -4)  (6, -6) ⌉

| (5, -5)  (4, -4)  (6, -6) |

⌊ (3, -3)  (1, -1)  (-2, 2) ⌋

Yes

S

⌈ (-5, 5)  (-4, 4)  (-6, 6) ⌉

⌊ (-3, 3)  (-1, 1)  (2, -2) ⌋

Is this a zero sum matrix game?

⌈ (-5, 5)  (-4, 4)  (-6, 6) ⌉

⌊ (-3, 3)  (-1, 1)  (2, -2) ⌋ 

Yes

S

⌈ -3 -5  0 -2 -1 

⌊ -4  1 -8 -3  0 

What is the guaranteed value for Player I in this matrix game, if Player I chooses 2nd row?

⌈ -3 -5  0 -2 -1 ⌉

⌊ -4  1 -8 -3  0 ⌋

min in 2nd row = -8

S

⌈ 4  6   1  3  2 ⌉

⌊ 6  1  10  5  7 ⌋

What is the guaranteed value for Player I in this matrix game, if Player I chooses 2nd row?

⌈ 4  6   1  3  2 ⌉

⌊ 6  1  10  5  7 ⌋

min in 2nd row = 1

S

⌈  3 -2 -4 

| -5 -4  4 |

|  2  0  5 |

⌊ -3 -2 -4 

What is the maximin strategy for Player I in this game ?

⌈  3 -2 -4 ⌉

| -5 -4  4 |

|  2  0  5 |

⌊ -3 -2 -4 ⌋

lowest in rows : { -4 -5 0 -4 } ; max = 0

S

⌈ -2  3 -3 ⌉

|  7  6 -2 |

|  1  3 -1 |

⌊  8  5  4 ⌋

What is the maximin strategy for Player I in this game ?

⌈ -2  3 -3 ⌉

|  7  6 -2 |

|  1  3 -1 |

⌊  8  5  4 ⌋

lowest in rows : { -3 -2 -1 4 } ; max = 4