Matrix_Representation_Equations.java

import java.util.Scanner;
 
public class Matrix_Representation_Equations 
{
    public static void main(String args[])
    {
        char []var = {'x', 'y', 'z', 'w', 'a', 'b', 'c', 'd', 'e'};
        System.out.println("Enter the number of variables in the equations: ");
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        System.out.println("Enter the coefficients of each variable for each equations");
        System.out.println("ax + by + cz + ... = d");
        int [][]mat = new int[n][n];
        int [][]constants = new int[n][1];
        for(int i=0; i<n; i++)
        {
            for(int j=0; j<n; j++)
            {
                mat[i][j] = input.nextInt();
            }
            constants[i][0] = input.nextInt();
        }
 
        System.out.println("Matrix representation is: ");
        for(int i=0; i<n; i++)
        {
            for(int j=0; j<n; j++)
            {
                System.out.print(" "+mat[i][j]);
            }
            System.out.print("  "+ var[i]);
            System.out.print("  =  "+ constants[i][0]);
            System.out.println();
        }
        input.close();
    }
}