E6: WRITE A PROGRAM FOR MINIMIN CRITERIA IN MATRICS CALCULATOR

 E6: WRITE A PROGRAM  FOR MINIMIN CRITERIA

#include<iostream.h>

#include<conio.h>

class minimin

{

   private:

int i,j,r,c,a[10][10],p[10];

int min;

    public:

void getdata();

void display();

void cal();

};

void minimin::getdata()

{

   cout<<"\nEnter the row: ";

   cin>>r;

   cout<<"\nEnter the column: ";

   cin>>c;

   cout<<"\nEnter the matrix element:\n";

   for(i=0;i<r;i++)

     {

       for(j=0;j<c;j++)

  {

    cin>>a[i][j];

  }

     }

}

void minimin::cal()

{

   for(i=0;i<r;i++)

      {

min=100;

for(j=0;j<c;j++)

  {

      if(a[i][j]<=min)

min=a[i][j];

  }

p[i]=min;

      }

      min=100;

      for(i=0;i<r;i++)

      {

if(p[i]<=min)

    min=p[i];

      }

      display();

      cout<<"\n\nThe minimin value is :"<<min;

}

void minimin::display()

{

   cout<<"\n\n\tTHE PAYOFF MATRIX IS:\n\n";

   cout<<endl;

   for(j=0;j<=c;j++)

      cout<<"\t";

      cout<<"MINIMIN"<<endl;

      for(i=0;i<r;i++)

{

    for(j=0;j<c;j++)

{

    cout<<"\t"<<a[i][j];

}

      cout<<"\t"<<p[i];

      cout<<endl;

}

}

void main()

{

   clrscr();

   minimin k;

   k.getdata();

   k.cal();

   k.display();

   getch();

}

OUTPUT

Enter the row: 3                                                                

                                                                                

Enter the column: 4                                                             

                                                                                

Enter the matrix element:                                                       

8 0 -10 6                                                                       

-4 12 18 -2                                                                     

14 6 0 8                                                                        

                                                                               

       THE PAYOFF MATRIX IS:                                                   

                                                                                

                    MINIMIN                                 

        8       0       -10     6       -10                                     

        -4      12      18      -2      -4                                      

        14      6       0       8          0                                       

                                                                                

                                                                          

The minimin value is :-10                                  

E3: WRITE A PROGRAM FOR MAXIMIN CRITERIA IN OPERATION RESEARCH

 E3: WRITE A PROGRAM FOR MAXIMIN CRITERIA

#include<iostream.h>

#include<conio.h>

void main()

{   clrscr();

    int a[10][10]; //max1,min1;

   cout<<"Enter the no. of rows and column :-";

   int r,c;

    cin>>r>>c;

    cout<<"Enter the entries:-";

    for(int i=1;i<=r;i++)

      {

        for(int j=1;j<=c;j++)

{

  gotoxy(18+4*j,2+3*i);

  cin>>a[i][j];

}

      }

   /*  for(i=1;i<=r;i++)

{

  for(int j=1;j<=c;j++)

    {

cout<<" "<<a[i][j];

    }

cout<<"\n";

        }*/

    cout<<"\n Calculation for MAXMIN criteria:-";

    int min[10];

    for(i=1;i<=r;i++)

      {

        min[i]=a[i][1];

        for(int j=1;j<=c;j++)

  {

    if(min[i]>=a[i][j])

    min[i]=a[i][j];

  }

cout<<"\n\n min="<<min[i];

      }

   int maximin;

    int pos=1;

   for(i=1;i<=r;i++)

      {

        maximin=min[1];

        if(maximin<min[i])

{

    maximin=min[i];

  pos=i;

}

      }

  

   cout<<"\n maximin= "<<maximin;

     cout<<"\n the selection of best action takes place on "<<pos;

       getch();

}

OUTPUT

Enter the no. of rows and column :-3  4

Enter the entries:-                                                             

                                                                                

                                                                                

                      8   0  -10   6                                                  

                                                                                

                                                                                

                     -4  12  18 -2                                                

                                                                                

                                                                                

                      14  6    0   8    

Calculation for MAXMIN criteria:-              

                                                                                

 min= -10                                                                        

                                                                                

 min= -4                                                                         

                                                                                

 min= 0                                                                          

 maximin= 0

 the selection of best action takes place on 3