javacpp

What is  Symmetric  Matrix? A=[1 2]       [2 1] is a Square Matrix . When We Modify The Given Matrix Row Into Column And Column Into Row. if Modified and Original Matrix Array Are Same It Known As Symmetric Matrix. If A=A'     A=[1 2]                              A'=[1 2]            [2 1]   is Equal To       [2  1] Other Wise Given Matrix is Non Symmetric. The Follow Simple Python Code For Find The Given Array Is Symmetric or Not. arr=[[1,2],[2,1]] n=len(arr[0]) m=len(arr) isTrue=1 for i in range(0,n):     for j in range(0,m):         if(arr[i][j]!=arr[j][i]):             isTrue=0             break; print(isTrue)  output: 1 Time Complexity o(n^2). Comment Your solutions.