Matrix Addition 2 D (dimensional) Array Example Example Program
Matrix definition
Matrix addition is the operation of adding two matrices by adding the corresponding entries together.
Two Dimensional (2 D) array in C++
The two dimensional array in C++, represented in the form of rows and columns, also suitable with matrix. It is also known as Multidimensional array
Multidimensional arrays
According to Wikipedia, For multi dimensional array, the element with indices i,j would have address B + c · i + d · j, where the coefficients c and d are the row and column address increments, respectively.
More generally, in a k-dimensional array, the address of an element with indices i1, i2, ..., ik is
B + c1 · i1 + c2 · i2 + ... + ck · ik.
Syntax
data_type variable_name[size_row][size_col];
Syntax Example
int a[2][3];
Matrix Addition 2 D (dimensional) or Multidimensional Array Example Program In C++
/*##Matrix Addition, 2 D (dimensional) Array Example In C++, */
/*##Calculation Programs In C++, Multidimensional Array Example In C++*/
// Header Files
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
int rowCount, columnCount, i, j;
int firstMatrix[10][10], secondMatrix[10][10], resultMatrix[10][10];
cout<<"Simple C++ Example Program for 2 D (dimensional) Array Matrix Addition Example\n";
cout<<"Number of rows of matrices to be added : ";
cin>>rowCount;
cout<<"Number of columns matrices to be added : ";
cin>>columnCount;
cout<<"Elements of first matrix : \n";
for (i = 0; i < rowCount; i++)
for (j = 0; j < columnCount; j++)
cin>>firstMatrix[i][j];
cout<<"Elements of second matrix : \n";
for (i = 0; i < rowCount; i++)
for (j = 0; j < columnCount; j++)
cin>>secondMatrix[i][j];
cout<<"Sum of entered matrices : \n";
for (i = 0; i < rowCount; i++)
{
for (j = 0; j < columnCount; j++)
{
resultMatrix[i][j] = firstMatrix[i][j] + secondMatrix[i][j];
cout<<resultMatrix[i][j]<<"\t";
}
cout<<"\n";
}
getch();
return 0;
}
Sample Output
Number of rows of matrices to be added : 2
Number of columns matrices to be added : 2
Elements of first matrix :
5
5
5
5
Elements of second matrix :
1
1
1
1
Difference of entered matrices :
6 6
6 6
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