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8/9/2019 Maths M T.3 Game Theory
1/2
Term 3 : Chapter 6 : Game Theory
Notes1. Two-person zero-sum game: 1 gain - 1
loss2. Pure-strategy game:
o Row player : min ma
o Column player: ma min
3. !ie"-strategy game:o #se pro$a$ility "istri$ution
%. Pay-o& matri : gain 'or the row resulting
'rom mi strategy.(. )ominate" strategy:
1. * two-person zero-sum game is "e+ne"
$y the 'ollow pay-o& matri.
Player *
,
1
,
2
,
3Play
er*
*
1
1
2*
2
/ 1
1
1
)etermine the optimal strategy 'or ea0h
player an" the alue o' the game. 3
mars4
2. * two- person zero- sum game is "e+ne"
$y the pay-o& matri. 5plain that the
game is sta$le. s it a 'air game7
(4
(1 3 23 5 42 2 5
)3. n a presi"ential 0ampaign8 there are two
0an"i"ates8 a )emo0rat 9) an" a
Repu$li0an 9R8 an" two types o' issues8
"omesti0 issues an" 'oreign issues. The
units assigne" to ea0h 0an"i"ate;s
strategy are gien in the ta$le where it
shows the strength o' the )emo0rat
0an"i"ate 0on0erning the issues in
relation to the Repu$li0an 0an"i"ate.
Repu$li0an)omest
8/9/2019 Maths M T.3 Game Theory
2/2
Term 3 : Chapter 6 : Game Theory
(1 2 33 5 61 2 4
)a. ?how that the game has a sta$le solution.
34$. ?tate the alue o' the game.
140. )etermine the optimal strategy 'or ea0h
player. 24".. Two players Rowan 9Row player an"
Cologne 90olumn player play a zero sum
game $ase" on the Pay-o& matri $elow
C1 C2 C3R1 -2 -1
R2 2 -%R3 % -1
a