LeetCode Problem: Letter Combinations of a Phone Number 詳解 Posted by By AKai 27 6 月, 2021Posted inLeetCode, 玩轉專業Tags: DFS, LeetCode, medium, recursion Description 給定一個包含 2-9 的數字…
LeetCode Problem: Deepest Leaves Sum 詳解 Posted by By AKai 27 6 月, 2021Posted inLeetCode, 玩轉專業Tags: DFS, LeetCode, medium, recursion Description 給定一個 binary tr…
k-means Clustering-基礎分群的推導及介紹 Posted by By AKai 24 6 月, 2021Posted in機器學習, 玩轉專業Tags: AI, clustering, EM algorithm, k-means, ML 前言 在資料前處理或是資料視覺化時,我們常常需要將資…