matrix transpose

public class Solution 
{
    public int[][] Transpose(int[][] matrix) 
    {
        var trans = GenerateArray(matrix[0].Length,matrix.Length,0);
        
        for(var i=0; i<matrix.Length;i++)
        {
            for(var j=0; j<matrix[0].Length;j++)
            {
                trans[j][i] = matrix[i][j];
            }
        }
        return trans;
    }
    public static T[][] GenerateArray<T>(int row, int Col,T value)
    {
        var arr = new T[row][];

        for (int i = 0; i < row; i++)
        {
            arr[i] = new T[Col];
            for (int j = 0; j < Col; j++)
            {
                arr[i][j] = value;
            }
        }
        return arr;
    }
}