C++ Program to find the Product of the Matrices | C++ Program | Class XI

Tuesday, December 5, 2017

Product of the Matrices in C++ Programming Language The Crazy Programmer


NOTE: E&OE, means errors and omissions are expected and accepted, in other words, if there is any error in the following article, the same has to be corrected by the user or the beneficiary accordingly.
This article contains works derived from other reputed works of huge publication houses and notes that were made by me in my school life.These articles are just to help people who need these articles desperately and urgently. Any queries, complaints, and corrections will be enthusiastically entertained.





Write a C++ Program to find the Product of the Matrices
Product of the Matrices in C++ Programming Language

Code Sample 1 (for Dev C++ & CodeBlocks) 

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 #include<iostream>
 #include<conio.h>
 using namespace std;

 int main()
 {

   int A[10][10], B[10][10], C[10][10], m, n, p, q, i, j, k;
   cout<<"Enter the number of rows and columns in Matrix A";
   cout<<"(Enter the return button once):"<<endl;
   cin>>m>>n;
   cout<<"Enter the number of rows and columns in Matrix B";
   cout<<"(Enter the return button once):-"<<endl;
   cin>>p>>q;
   if(n==p)
   {
     cout<<"Enter the elements of Matrix A";
     cout<<"(Enter the return button once):-"<<endl;
     for(i=0;i<m;++i)
      for(j=0;j<n;++j)
       cin>>A[i][j];

     cout<<"Enter the elements of Matrix B";
     cout<<"(Enter the return button once):-"<<endl;
     for(i=0;i<p;++i)
      for(j=0;j<q;++j)
       cin>>B[i][j];

     cout<<"\n\nMatrix A:-";
     for(i=0;i<m;++i)
     {
       cout<<"\n \t";
       for(j=0;j<n;++j)
  cout<<A[i][j]<<"\t";
     }

     cout<<"\n\nMatrix B:-";
     for(i=0;i<p;++i)
     {
       cout<<"\n \t";
       for(j=0;j<q;++j)
  cout<<B[i][j]<<"\t";
     }

     for(i=0;i<m;++i)
     {
       for(j=0;j<q;++j)
       {
    C[i][j]=0;
       }
     }
    
     for(i=0;i<m;++i)
     {
       for(j=0;j<q;++j)
       {
  for(k=0;k<n;++k)
  {
    C[i][j]=C[i][j]+(A[i][k]*B[k][j]);
  }
       }
     }
    
     cout<<endl<<"Product of the two Matrices:-"<<endl;
     for(i=0;i<m;++i)
     { 
       for(j=0;j<q;++j)
       { 
         cout<<"\n \t"<<C[i][j];
          if(j == q-1)
             cout << endl;
       }
     }
  
   }
     else

       cout<<"\n\nMatrices are not compatible for multiplication!\n\n";
   return(0);
 }



Code Sample 2 (for Turbo C++) 

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 #include<iostream.h>
 #include<conio.h>

 void main()
 {
 
  clrscr();
  int A[10][10], B[10][10], C[10][10], m, n, p, q, i, j, k;
  cout<<"Enter the number of rows and columns in Matrix A";
  cout<<"(Enter the return button once):"<<endl;
  cin>>m>>n;
  cout<<"Enter the number of rows and columns in Matrix B";
  cout<<"(Enter the return button once):-"<<endl;
  cin>>p>>q;
  if(n==p)
  {
    cout<<"Enter the elements of Matrix A";
    cout<<"(Enter the return button once):-"<<endl;
    for(i=0;i<m;++i)
     for(j=0;j<n;++j)
      cin>>A[i][j];

    cout<<"Enter the elements of Matrix B";
    cout<<"(Enter the return button once):-"<<endl;
    for(i=0;i<p;++i)
     for(j=0;j<q;++j)
      cin>>B[i][j];

    cout<<"\n\nMatrix A:-";
    for(i=0;i<m;++i)
    {
      cout<<"\n \t";
      for(j=0;j<n;++j)
   cout<<A[i][j]<<"\t";
    }

    cout<<"\n\nMatrix B:-";
    for(i=0;i<p;++i)
    {
      cout<<"\n \t";
      for(j=0;j<q;++j)
   cout<<B[i][j]<<"\t";
    }

    for(i=0;i<m;++i)
    {
      for(j=0;j<q;++j)
      {
   C[i][j]=0;
   }
    }
    
    for(i=0;i<m;++i)
    {
      for(j=0;j<q;++j)
      {
   for(k=0;k<n;++k)
     {
       C[i][j]=C[i][j]+(A[i][k]*B[k][j]);
     }
      }
    }
    
    cout<<endl<<"Product of the two Matrices:-"<<endl;
    for(i=0;i<m;++i)
    { 
      for(j=0;j<q;++j)
      { 
        cout<<"\n \t"<<C[i][j];
         if(j == q-1)
            cout << endl;
      }
 }
  
  }
    else

      cout<<"\n\nMatrices are not compatible for multiplication!\n\n";
  getch();
 }



Sample Output:



Topics covered here from class XI course are Programs on String manipulations and Programs on array manipulations (1D & 2D).
___________________________________________________________________

Know more about stuff related to this practical experiment (Important for Boards):-


Reference:-

For latest syllabus, both theory and practical papers for class XII, check out the CBSE’s official site http://cbseacademic.in/ for more info.


For more awesome coding and programs related to this language log onto http://www.thecrazyprogrammer.com or https://www.w3schools.in/.



___________________________________________________________________

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CodeBlocks
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Aptitude Amplifier: C++ Program to find the Product of the Matrices | C++ Program | Class XI
C++ Program to find the Product of the Matrices | C++ Program | Class XI
Product of the Matrices in C++ Programming Language The Crazy Programmer
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