Check if a given matrix is Hankel or not | Java Program to check if given matrix is Hankel Matrix or not . ; Function to check if given matrix is Hankel Matrix or not . ; for each row ; for each column ; checking if i + j is less than n ; checking if the element is equal to the corresponding diagonal constant ; checking if the element is equal to the corresponding diagonal constant ; Drivers code
import java . io . * ; import java . util . * ; class GFG { static boolean checkHankelMatrix ( int n , int m [ ] [ ] ) { for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j < n ; j ++ ) { if ( i + j < n ) { if ( m [ i ] [ j ] != m [ i + j ] [ 0 ] ) return false ; } else { if ( m [ i ] [ j ] != m [ i + j - n + 1 ] [ n - 1 ] ) return false ; } } } return true ; } public static void main ( String args [ ] ) { int n = 4 ; int m [ ] [ ] = { { 1 , 2 , 3 , 5 } , { 2 , 3 , 5 , 8 } , { 3 , 5 , 8 , 0 } , { 5 , 8 , 0 , 9 } } ; if ( checkHankelMatrix ( n , m ) ) System . out . println ( " Yes " ) ; else System . out . println ( " No " ) ; } }