/******* Java Implementation of Matrix Operation Using Arrays *******/

class Matrix

{

public static void main(String args[])

{

int i,j,k;

int mat1 [][]={ {10,11,12}, {13,14,15}, {16,17,18} };

int mat2 [][]={ {1,2,3}, {4,5,6}, {7,8,9} };

System.out.println("Operation ON Matrices \n1.Addition \n");

int sum [][] = new int [3][3];

for(i=0;i <3;i++)

{

for(j=0;j< 3;j++)

{

sum[i][j] = mat1[i][j] + mat2[i][j];

System.out.print("\t" + sum[i][j]);

}

System.out.println("\t");

}

System.out.println("2.Subtraction\n");

int diff[][] = new int[3][3];

for(i=0;i< 3;i++)

{

for(j=0;j< 3;j++)

{

diff [i][j] = mat1[i][j] - mat2[i][j];

System.out.print("\t"+ diff[i][j]);

}

System.out.println("\t");

}

System.out.println("3.Multiplication\n");

int prod[][] = new int[3][3];

for(i=0;i< 3;i++)

{

for(j=0;j< 3;j++)

{

prod[i][j] = 0;

{

for(k=0;k< 3;k++)

prod[i][j] = prod[i][j]+mat1[i][k]*mat2[k][j];

}

System.out.print("\t"+ prod[i][j]);

}

System.out.println("\t");

}

}

}

/************* OUTPUT ***************

Operation ON Matrices

1.Addition

11 13 15

17 19 21

23 25 27

2.Subtraction

9 9 9

9 9 9

9 9 9

3.Multiplication

138 171 204

174 216 258

210 261 312 */

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need a program in which decimal number change into roman numbers

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prod[i][j] = 0;

{

for(k=0;k< 3;k++)

prod[i][j] = prod[i][j]+mat1[i][k]*mat2[k][j];

Explain the above logic

prod[i][j] = 0;

{

for(k=0;k< 3;k++)

prod[i][j] = prod[i][j]+mat1[i][k]*mat2[k][j];

Explain the above logic

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