推导过程整理自https://www.bilibili.com/video/BV1s54y1S7Ji。 文章目录 预备知识 Γ \Gamma Γ函数(伽马函数)标准正态分布卡方分布 推导目标引理:连续型随机变量商的分布推导过程先计算 W Y / n W\sqrt{Y/n} WY/n 的概率密度函数 p W (…
Basics of Cube Aggregates and Data Rollup 发贴人 Jaya Tiwari 在 SAP Business Warehouse 打开 2013-7-7 9:39:58 inShare Tweet What are Cube Aggregates? Definition An aggregate is a materialized, summarized and condensed view of the data in an Info Cube. An a…
Shortest Path with Obstacle
题目链接: link.
原题描述 There are three cells on an infinite 2-dimensional grid, labeled A, B, and F. Find the length of the shortest path from A to B if:
in one move you can go to any of the four adjacent cells sharing a si…