Write a program for matrix addition, subtraction and multiplication.

SCREENSHOT

 

 

 

CODING

Strats From Here ------>>

#include<iostream.h>
#include<conio.h>
 void main()
  { int s,x,i,j,k,a[5][5],b[5][5],r[5][5];
    clrscr();
    cout<<"Enter no. of rows & column(should be rows=column):";
    cin>>s;
    cout<<"\n\tChoose Your Required Matrices Operation";
    cout<<endl<<"1)Addition of two matrices.";
    cout<<endl<<"2)Subtraction of two matrices.";
    cout<<endl<<"3)Multiplication of two matrices.";
    cout<<endl<<"\t\tEnter Your Choice:";
    cin>>x;
    cout<<endl<<"\t\tFirst Matrix:-\n";
    for(i=0;i<s;i++)
       { for(j=0;j<s;j++)
       cin>>a[i][j];
     cout<<endl;
       }
    cout<<"\t\tSecond Matrix:-\n";
    for(i=0;i<s;i++)
       { for(j=0;j<s;j++)
       cin>>b[i][j];
     cout<<endl;
       }
    clrscr();
    cout<<"\nFirst Matrix\n";
       for(i=0;i<s;i++)
     { for(j=0;j<s;j++)
         cout<<"\t"<<a[i][j];
       cout<<endl<<endl;
     }
     cout<<"\nSecond Matrix\n";
       for(i=0;i<s;i++)
     { for(j=0;j<s;j++)
         cout<<"\t"<<b[i][j];
       cout<<endl<<endl;
     }
    switch (x)
     { case 1:
    cout<<"\t\tAddition of two matrices:-\n";
    for(i=0;i<s;i++)
     { for(j=0;j<s;j++)
          r[i][j]=a[i][j]+b[i][j];
     }
    for(i=0;i<s;i++)
     { for(j=0;j<s;j++)
          cout<<"\t"<<r[i][j];
       cout<<endl;
     }
    break;
       case 2:
    cout<<"\t\tSubtraction of two matrices:-\n";
    for(i=0;i<s;i++)
     { for(j=0;j<s;j++)
          r[i][j]=a[i][j]-b[i][j];
     }
    for(i=0;i<s;i++)
     { for(j=0;j<s;j++)
          cout<<"\t"<<r[i][j];
       cout<<endl;
     }
    break;
       case 3:
    cout<<"\t\tMultiplication of two matrices:-\n";
    for(i=0;i<s;i++)
     { for(j=0;j<s;j++)
         { r[i][j]=0;
           for(k=0;k<s;k++)
         r[i][j]=r[i][j]+a[i][k]*b[k][j];
         }
     }
    for(i=0;i<s;i++)
     { for(j=0;j<s;j++)
          cout<<"\t"<<r[i][j];
       cout<<endl;
     }
    break;
       default:
       cout<<"\nYOU ENTERED WRONG OPTION";
     }
    getch();
  }

<<<<------- End Here

Write a program to print the Fibonacci series.

SCREENSHOTS

 

 

CODING

Starts From Here ------>>

#include<iostream.h>
#include<conio.h>
 void main()
  { int i,x,a=0,b=1,c;
    clrscr();
    cout<<"\nNo. of Elements: ";
    cin>>x;
    cout<<"\n\t\tFIBONACCI SERIES:-"<<endl;
    for(i=1;i<=x;i++)
     { cout<<"\n\t\t\t"<<i<<") "<<a;
       c=a;
       a+=b;
       b=c;
     }
    getch();
  }

<<-------End Here