using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string path = @"C:\file.txt";
            string[] lines = File.ReadAllLines(path);

            double[,] mat = new double[lines.Length, lines.Length + 1];

            for (int i = 0; i < lines.Length; i++)
            {
                var strvalues = lines[i].Split('\t');

                for (int j = 0; j < strvalues.Length; j++)
                {
                    var val = 0.0;
                    var ok = double.TryParse(strvalues[j], out val);

                    if (ok)
                    {
                        mat[i, j] = val;
                    }
                    else
                    {
                        Console.WriteLine("Error while reading element [{0},{1}]\n", i, j);
                    }
                }
            }

            for (int i = 0; i < mat.GetLength(0); i++)
            {
                for (int j = 0; j < mat.GetLength(1); j++)
                {
                    Console.Write("{0} ", mat[i,j]);
                }

                Console.WriteLine();
            }

            Console.ReadLine();
        }
    }
}