Authors

  • Zilolakhon Mamatova
    Fergana​ state university
  • Behruz Habibjanov
    Fergana​ state university

DOI:

https://doi.org/10.71337/inlibrary.uz.ijai.86854

Abstract

Article games​ theory matrix games to the department dedicated to be , to work release and economy in the field conflicted processes mathematician modeling and solution methods seeing It turns out . Matrix of games main concepts , including achievement​ matrix , game lower and high prices , saddle point , maxmin and minimum strategies is explained . If the game saddle to the point has if not , mix strategies method using solution find process is described . Matrix games​ linear programming to the issue to bring methods and this optimal strategies in the process determination algorithms The article is cited . two example through theoretical concepts practical solutions with is strengthened . Used literature list​ the topic deeper study for additional sources presented Article​​ mathematician programming and optimization in the field professionals , students and researchers for useful is considered .

 

 

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page 1273

MATRIX GAME EVALUATION IN GAME THEORY

Mamatova Zilolakhon Khabibullokhonovna

Fergana​ state university associate professor ,

pedagogy sciences according to philosophy Doctor of Philosophy (PhD)

E-mail:

mamatova.zilolakhon@gmail.com

ORCID ID

0009-0009-9247-3510

Habibjanov Behruz Bahodur Zoda

Fergana​ State University Practical mathematics direction

3rd year student, student of group 22-08

Email:

habibjonovbehruz0gmail.com

Abstract:

Article games​ theory matrix games to the department dedicated to be , to work

release and economy in the field conflicted processes mathematician modeling and solution

methods seeing It turns out . Matrix of games main concepts , including achievement​

matrix , game lower and high prices , saddle point , maxmin and minimum strategies is

explained . If the game saddle to the point has if not , mix strategies method using solution

find process is described . Matrix games​ linear programming to the issue to bring methods

and this optimal strategies in the process determination algorithms The article is cited . two

example through theoretical concepts practical solutions with is strengthened . Used literature

list​

the topic deeper study for additional sources presented Article​ ​

mathematician

programming and optimization in the field professionals , students and researchers for useful

is considered .

Keywords:

Games

​ ​

theory , matrix games , conflict processes , achievement matrix ,

saddle point , maxmin strategy , minimax strategy , game price , mixed strategies , linear

programming , optimal strategy , mathematics modeling , economic issues , work release​

Introduction .

Processes research and optimal management – decision acceptance to

do and systems to optimize scientific fields oriented .​

1- Process research resources effective distribution for mathematician models , linear

programming , games​ theory and networks optimization such as from methods uses .

2-Optimal management systems the most good management strategies determination

with He is engaged in his work . main methods Pontryagin's Maximum principle and

Bellman's dynamic programming .

Research methodology

In the article cited research methodology analysis to do for his/her content and from

the structure come out , following main aspects seeing​

Let's go out . Article games​

theory matrix games to the department dedicated is a research methodology theoretical

analysis , mathematics modeling and practical examples through solution to find is based on .

Below methodology in detail analysis cited : Research general approach Theoretical basis :

Article games​

theory main concepts ( achievement) matrix , saddle point , maxmin and


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minimax strategies , mixed strategies ) from explanation begins . These concepts conflicted

processes economy and working release in the field modeling for basis to be service does .

Mathematician Modeling : Research central methodology conflicted processes simplified

mathematician as models ( games )​

to express is based on . In this process main factors

into account is taken , the second level factors and out of consideration aside is left . Practical

orientation : Article​

theoretical concepts practical through examples (example 1 and

example 2) strengthen and help students this apply methods to real problems application

opportunity gives .

Literature analysis

In the article cited used literature list​ games theory , mathematics programming and

optimization in the field important sources cover takes . Below this of literature briefly

analysis brought by : Akulich I.​

L.​

Mathematical programming in in examples and

zadachax ​ - M .: Vysshaya school , 1996. Analysis : This book mathematician

programming in the field practical issues and their to the solutions dedicated​

games​ ​

theory and linear to program related examples and exercises own inside takes . Book students

and practitioners for comfortable theoretically​ ​ ​

knowledge practical skills with

connects . In the article cited linear programming methods and matrix games​

solution

algorithms this to the source based to be possible.Relevance : Article linear programming to

the issues to bring process in explanation important contribution adds.Badalov FB

Optimization theory and mathematician programming . “ Teacher ” , T. 1989. Analysis :

Uzbek published in​

this book optimization theory and mathematician programming main

concepts own inside takes . Local students​

for customized games​ ​

theory main

principles in explanation important source as service does . The book Uzbek​

in the

language in the environment written of the article local to the context compatibility

provides.Relevance : In the article cited of the game price , strategies and their mathematician

modeling such as concepts this from the book taken to be possible . Kuznetsov A. V. ,

Novikova​

G. I. , Kholod​

N. I. Collection​ ​

task by mathematically speaking

programming . Minsk , Vysheishaya school , 1985. Analysis : This source mathematician

programming according to wide extensive issues set presented it will , that's it including

games theory and linear programming with related issues own inside takes . The set practical

orientation in the article cited examples and solutions to the structure Relevance : In the

article like example 1 and example 2 given practical issues this in the set to approaches based

to be probability high .

Analyses and results

Matrix games . Production

release and economy in the field many​

practical

issues in solution conflicted processes ( situations ) come comes out . Conflicting processes

own​ inside very many factors takes . Many​ in cases the process study comfortable to be

for main factors into account take , second level factors into account unable to his/her

mathematician model We will make such conflict of the process shortened model game​ It

is called . Game clear one to the rule according to take will go .

Game​

meaning from that consists of every one participant so one the solution

acceptance does that game at the end the most good to the result Let it be . Play . the result

( iskhod ) is this one how many functions value to him​ achievement function or payment

function If the players​ achievement amount to zero equal if , then to the game zero total

game It is called .

Any​ pair the game matrix in appearance expression possible


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=

mn

m

m

n

n

a

a

a

a

a

a

a

a

a

A

...

...

...

...

...

...

...

2

1

2

22

21

1

12

11

Let's say the matrix rows first player 's possible was A

1

, A

2

, …, A

m

marches ,

columns and second player's possible was B

1

, B

2

, …, B

m

their walks Let us define . A

matrix payment​ or achievement matrix is called . The matrix every one a

job

element first

Player A​

to walk choose the second player B

j

to walk when you choose first player's

achievement ( second player's means "loss " .

The game purpose first the player maximum to success and second to minimize the

player's loss to achieve provision for the most acceptable strategy from choosing consists of .

If the first player​ some A

i

strategy choose , he never unless

ij

j

i

a

min

=

a

to success

achieves this . into account take this​

player​

his/her own the most less achievements

maximizer , i.e.

ij

j

i

a

min

max

=

a

PCB provider to walk chooses . Here

a

size of the game

lower price and to him/her suitable strategy maxmin It is called .

Second player , own​ in turn , his the most big possible was losses minimizing , that

is

ij

i

j

a

max

min

=

b

PCB provider to walk chooses . Here

b

size of the game high price and

to him/her suitable The strategy is called minimax .

If

a

=

b

if , that is

ij

j

i

ij

i

j

a

a

V

min

max

max

min

=

=

equality If it is done , then V of the

game price This condition is called of the satisfying matrix A a

job

to the element of the game

saddle point It is called .

So , matrix game​ saddle to the point has if so , its solution maxmin and minimax

methods with is found .

Example 1.

Given matrix game​

for lower and high grades and Find the optimal

price of the game .

-

=

6

7

5

1

4

2

2

1

3

A

Matrix in the row the most small elements of the following consists of :

5

)

6

,

7

,

5

(

min

1

)

1

,

4

,

2

(

min

1

)

2

,1

,

3

(

min

=

-

=

-

=

j

j

j

So , the game lower price

5

)

5

,1

,1

(

max

)

min

(

max

=

-

=

=

i

ij

j

i

a

a

It will be . Now every one on the column the most big element we will find .


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page 1276

6

)

6

,1

,

2

(

min

7

)

5

,

4

,1

(

max

5

)

5

,

2

,

3

(

max

=

-

=

=

i

i

i

In that case , the game high price to the following equal will be .

5

)

6

,

7

,

5

(

)

max

(

min

=

-

=

=

j

ij

i

j

mix

a

b

This game​ lower and high grades mutual equal happened for optimal price of the game V=

b

=

a

=5 . This is the estimate . provider a

31

element game​ saddle point and A

3

and B

1

strategies optimal strategy will be .

If the achievements matrix saddle to the point has if not , then maxmin and minimax

methods with of the game solution found In this case of the game solution in finding mixture

strategies from the method is used .

First player 's mixture strategy , components following

=

=

=

m

i

i

i

m

i

x

x

1

,1

,

0

,1

the conditions to the vector X =( x

1

, x

2

, … , x

m

) satisfying It is said . In this every one x

i

first Player A​

walk choice probability indicates .

Second player 's mixture strategy , components following

=

=

=

n

j

j

i

n

j

y

y

1

,1

,

0

,1

the conditions satisfactory Y =( y

1

, y

2

, … , y

n

) to the vector It is said . In this every one y

j

second player's B

j

walk choice probability indicates .

Mix strategies in the way first Player A​

walk choose the second

player​

B

j

walk when you choose first player's achievement as his/her of winning

mathematician expectation is taken , that is, it is taken to equal will be

=

=

=

m

i

n

j

j

i

ij

y

x

a

y

x

V

1

)

,

(

Function V( x,y ) payment or achievement function It is called .

If the first player​ his/her own

)

...,

,

,

(

*

*

2

*

1

*

m

x

x

x

X

=

optimal strategy if it is used ,

then second player how strategy from choosing strict look , its achievement from the game's

V rating less it won't happen , that is

=

=

m

i

i

ij

n

j

V

x

a

1

*

,1

,

.

Same also , if the second player​ his/her own

)

...,

,

,

(

*

*

2

*

1

*

m

y

y

y

Y

=

optimal strategy if it is

used , then first player how strategy from choosing strict look , its loser from the game's V

rating does not exceed , that is

=

=

n

j

j

ij

m

i

V

y

a

1

*

,1

,

.


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page 1277

Matrix the game linear programming to the issue to bring

Matrix the game linear programming to the issue to bring process seeing We will go

out . The most before optimal player mix​ strategy and of the game price We find . Its for

inequalities system and conditions To summarize , the following in appearance we write :

+

+

+

+

+

+

+

+

+

V

x

a

x

a

x

a

V

x

a

x

a

x

a

V

x

a

x

a

x

a

m

mn

n

n

m

m

m

m

...

......

..........

..........

..........

..........

...

...

2

2

1

1

2

2

22

1

12

1

2

21

1

11

1

...

2

1

=

+

+

+

m

x

x

x

)

,1

(

0

1

m

i

x

=

Game​ price what Considering the equation , (

V

0

>

) of the system everyone

inequalities to become below system harvest we do :

+

+

+

+

+

+

+

+

+

1

...

..

..........

..........

..........

..........

1

...

1

...

2

2

1

1

2

2

21

1

12

1

2

21

1

11

m

mn

n

n

m

m

m

m

t

a

t

a

t

a

t

a

t

a

t

a

t

a

t

a

t

a

V

t

t

t

m

1

...

2

1

=

+

+

+

here

V

x

t

1

1

=

The first player tries to maximize his payoff, i.e. the value of the game. So, for the

first player,

V

t

t

t

m

1

...

2

1

=

+

+

+

the most small (minimum) value acceptance to do This is necessary . in requirements system

following linear programming to the issue turns into :

+

+

+

+

+

+

+

+

+

1

...

..

..........

..........

..........

..........

1

...

1

...

2

2

1

1

2

2

21

1

12

1

2

21

1

11

m

mn

n

n

m

m

m

m

t

a

t

a

t

a

t

a

t

a

t

a

t

a

t

a

t

a

0

,...,

0

,

0

2

1

m

t

t

t

min

...

2

1

®

+

+

+

=

m

t

t

t

Z

In a similar way, to find the optimal mixed strategy of the second player and the cost

of the game, the following linear programming problem must be solved.


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+

+

+

+

+

+

+

+

+

V

y

a

y

a

y

a

V

y

a

y

a

y

a

V

y

a

y

a

y

a

n

mn

m

m

n

n

n

n

...

......

..........

..........

..........

..........

...

...

2

2

1

1

2

2

22

1

21

1

2

12

1

11

0

,...,

0

,

0

2

1

n

y

y

y

max

...

1

2

1

®

+

+

+

=

=

n

y

y

y

V

F

Problems ( 7.15)-( 7.17) and (7.18-7.20) mutual hesitant linear programming from

issues consists of will be . Of them optional one undressing , both of them solution easily find

possible .

Example 2

=

4

3

6

5

5

3

2

3

5

A

matrix the game mixture in strategies Find the solution .

Solution . First player​ for the game linear programming to the issue We will turn it

around . for the most before following the system harvest we will do .

+

+

+

+

+

+

V

x

x

x

V

x

x

x

V

x

x

x

3

2

1

3

2

1

3

2

1

4

5

2

3

5

3

6

3

5

1

3

2

1

=

+

+

x

x

x

0

,

0

,

0

3

2

1

x

x

x

( 7. 21) We divide both sides of each inequality in the system

0

>

V

by ( ) and

V

x

t

1

1

=

introduce the notation to form the following system:

+

+

+

+

+

+

1

4

5

2

1

3

5

3

1

6

3

5

3

2

1

3

2

1

3

2

1

t

t

t

t

t

t

t

t

t

V

t

t

t

1

3

2

1

=

+

+

0

,

0

,

0

3

2

1

t

t

t

This system can be written as the following linear programming problem:


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page 1279

+

+

+

+

+

+

1

4

3

6

1

5

5

3

1

2

3

5

3

2

1

3

2

1

3

2

1

u

u

u

u

u

u

u

u

u

0

,

0

,

0

3

2

1

u

u

u

max

1

3

2

1

®

+

+

=

=

u

u

u

V

F

The given matrix game for the second player becomes the following linear programming

problem.

+

+

+

+

+

+

1

4

3

6

1

5

5

3

1

2

3

5

3

2

1

3

2

1

3

2

1

u

u

u

u

u

u

u

u

u

0

,

0

,

0

3

2

1

u

u

u

max

1

3

2

1

®

+

+

=

=

u

u

u

V

F

Issues each other hesitant are issues . Therefore for from them optional one take off ,

the other one solution easily find possible .

Conclusion

Article games​

theory matrix games department analysis to do dedicated is

conflicting​

processes economy and working release in the field mathematician modeling

and solution methods illuminates . Research methodology theoretical analysis , mathematics

modeling , linear programming and practical to examples is based on . The game lower and

high prices , saddle point , maxmin and minimax strategies , as well as mixed strategies such

as main concepts clear explained . Matrix games​ linear programming to the issue optimal

strategies are presented and of the game price is determined . Practical examples through

theoretical knowledge is strengthened . References list​

local and international sources

comprehensive , scientific the basis strengthens , but modern technological approaches

absence restriction as record Methodology​ ​

article to their goals complete​

suitable

comes , systematic and practical solutions presented However , empirically​ ​ information

and software tools input through the research further enrichment possible Overall , the

article​

games​

theory economic to issues in use important guidance students ,

researchers​ ​ and experts for useful source is considered .

Literature:

1. Akulich IL Mathematical programming in examples and problems. - M.: Higher school,

1996.

2. Badalov FB Optimallash Nazarius and mat or matic dasturlash . “ O ' q ituvchi ”, Vol.

3. Kuznetsov A.V., Novikova G.I., Kholod N.I. Collection of problems in mathematical

programming. Minsk, Higher School, 1985.

4. Kuritsky B.Ya. Search for optimal solutions using Excel . “Saint Petersburg ”, 1997.


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INTERNATIONAL JOURNAL OF ARTIFICIAL INTELLIGENCE

ISSN: 2692-5206, Impact Factor: 12,23

American Academic publishers, volume 05, issue 04,2025

Journal:

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page 1280

5. Safaeva K., Beknazarova N. Operatsiyalarni tekshirishning matеmatik usullari.

“O'qituvchi”, 1984y. 1 qism.

6. Lesin V.V., Lisovets Yu.P. Fundamentals of optimization methods. Moscow, MAI

Publishing House, 1998.

7. Khazanova L.E. Mathematical modeling in economics . M. BEK, 1998.

References

Akulich IL Mathematical programming in examples and problems. - M.: Higher school, 1996.

Badalov FB Optimallash Nazarius and mat or matic dasturlash . “ O ' q ituvchi ”, Vol.

Kuznetsov A.V., Novikova G.I., Kholod N.I. Collection of problems in mathematical programming. Minsk, Higher School, 1985.

Kuritsky B.Ya. Search for optimal solutions using Excel . “Saint Petersburg ”, 1997.

Safaeva K., Beknazarova N. Operatsiyalarni tekshirishning matеmatik usullari. “O'qituvchi”, 1984y. 1 qism.

Lesin V.V., Lisovets Yu.P. Fundamentals of optimization methods. Moscow, MAI Publishing House, 1998.

Khazanova L.E. Mathematical modeling in economics . M. BEK, 1998.