text: Program to find Normal and Trace of a matrix | Java program to find trace and normal of given matrix ; Size of given matrix ; Returns Normal of a matrix of size n x n ; Returns trace of a matrix of size n x n ; Driven source
code: import java . io . * ; class GFG { static int MAX = 100 ; static int findNormal ( int mat [ ] [ ] , int n ) { int sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) for ( int j = 0 ; j < n ; j ++ ) sum += mat [ i ] [ j ] * mat [ i ] [ j ] ; return ( int ) Math . sqrt ( sum ) ; } static int findTrace ( int mat [ ] [ ] , int n ) { int sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) sum += mat [ i ] [ i ] ; return sum ; } public static void main ( String [ ] args ) { int mat [ ] [ ] = { { 1 , 1 , 1 , 1 , 1 } , { 2 , 2 , 2 , 2 , 2 } , { 3 , 3 , 3 , 3 , 3 } , { 4 , 4 , 4 , 4 , 4 } , { 5 , 5 , 5 , 5 , 5 } , } ; System . out . println ( " Trace ▁ of ▁ Matrix ▁ = ▁ " + findTrace ( mat , 5 ) ) ; System . out . println ( " Normal ▁ of ▁ Matrix ▁ = ▁ " + findNormal ( mat , 5 ) ) ; } }