Machine Learning, Aritificial Intelligence, Data Science.
this sequence are real numbers inside the interval (0,1). But the limit, 1, is not in the interval (0, 1), and therefore the metric space ⟨X, d⟩ for X = (1, 0) with the usual metric 𝑑(𝑥, 𝑦) = |𝑥−𝑦| is not complete. To address this problem, we can expand X to [0, 1], making the metric space