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Java program to print the transpose of a matrix
The transpose of a matrix is the one whose rows are columns of the original matrix, i.e. if A and B are two matrices such that the rows of the matrix B are the columns of the matrix A then Matrix B is said to be the transpose of Matrix A.
To print the transpose of the given matrix −
- Create an empty matrix.
- Copy the contents of the original matrix to the new matrix such that elements in the [j][i] position of the original matrix should be copied to the [i][j] position of the new matrix.
- Print the new matrix.
Example
public class TransposeSample{
public static void main(String args[]){
int a[][]={{1,2,3},{4,5,6},{7,8,9}};
int b[][] = new int[3][3];
System.out.println("Given matrix :: ");
for(int i = 0;i<3;i++){
for(int j = 0;j<3;j++){
System.out.print(a[i][j]+" ");
}
System.out.println();
}
System.out.println("Matrix after transpose :: ");
for(int i = 0;i<3;i++){
for(int j = 0;j<3;j++){
b[i][j] = 0;
for(int k = 0;k<3;k++){
b[i][j]=a[j][i];
}
System.out.print(b[i][j]+" ");
}
System.out.println();
}
}
}Output
Given matrix :: 1 2 3 4 5 6 7 8 9 Matrix after transpose :: 1 4 7 2 5 8 3 6 9
Updated on: 13-Mar-2020
2K+ Views
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