class Matrix
{
	double[] matrix;

	int col;
	int row;

	public Matrix(int row,int col)
	{
		this.row = row;
		this.col = col;
		matrix = new double[row * col];
	}

	public int Width { get { return col; } }
	public int Height { get { return row; } }

	public double this[int row,int col]
	{
		get { return matrix[row * Width + col]; }
		set { matrix[row * Width + col] = value; }
	}

	public override string ToString()
	{
		StringBuilder builder = new StringBuilder();
		for(int i = 0; i < Width;i++)
		{
			for(int j = 0;j < Height;j++)
			{
				builder.AppendFormat("{0}\t",this[i,j]);
			}
			builder.AppendLine();
		}
		return builder.ToString();
	}
}