Create a C++ program for the multiplication of two matrixes (2x2 dimension only)?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Create a C++ program for the multiplication of two matrixes (2x2 dimension only)?

Expert Solution
Step 1

#include <iostream>  
using namespace std;  
int main()  
{  
int a[10][10],b[10][10],mul[10][10],r,c,i,j,k;    
cout<<"enter the number of row: ";    
cin>>r;    
cout<<"enter the number of column: ";    
cin>>c;    
cout<<"enter the first matrix element: \n";    
for(i=0;i<r;i++)    
{    
for(j=0;j<c;j++)    
{    
cin>>a[i][j];  
}    
}    
cout<<"enter the second matrix element: \n";    
for(i=0;i<r;i++)    
{    
for(j=0;j<c;j++)    
{    
cin>>b[i][j];    
}    
}    
cout<<"multiply of the matrix: \n";    
for(i=0;i<r;i++)    
{    
for(j=0;j<c;j++)    
{    
mul[i][j]=0;    
for(k=0;k<c;k++)    
{    
mul[i][j]+=a[i][k]*b[k][j];    
}    
}    
}    
for(i=0;i<r;i++)    
{    
for(j=0;j<c;j++)    
{    
cout<<mul[i][j]<<" ";    
}    
cout<<"\n";    
}    
return 0;  
}    

 

 

output

enter the number of row: 2

enter the number of column: 2

enter the first matrix element: 

1     2

3     4

enter the second matrix element: 

5    6 

7    8

multiply of the matrix: 

19    22 

43     50 

 

 


   

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