mmd lec review
mmd_lec_reviewLec 1 Utility Matrix User-User Collabrative Filter (CF) Avg of k existing ratings (Basic): sum of r/k Weighted Avg of ratings with Cosine Similarity Considering Bias (Avg of user rati...
mmd_lec_reviewLec 1 Utility Matrix User-User Collabrative Filter (CF) Avg of k existing ratings (Basic): sum of r/k Weighted Avg of ratings with Cosine Similarity Considering Bias (Avg of user rati...
Question Solution (incomplete)
See in the link below:https://typst.app/project/royUtokLoPUm9JT0unrV47
Grönwall inequality Question 0 Proof 0 Question 1 Proof 1
Nun war er im Begriff, ein Tagebuch anzufangen. Das war nicht illegal (nichts war illegal, da es keine Gesetze gab), aber im Fall der Entdeckung war es ziemlich sicher, dass man dafür mit dem Tod o...
All the other properties are easy to show, except a notable one (g). The proof is given above:this is given by applying the chain rule.
Black-Headed Gull Swan Crow Egyptian Goose
First Challenge: German VisaWell, I waited exatly 2 months until I received it (from 2. Sep. to 2. Nov.). Quite slow ja.I expected to celebrate Halloween (for the very first time) in Germany but th...
I don’t want to waste time to do formula editting so post image instead ;p Description Solution CommentsThe proof consists of 3 important parts: A normal matrix, with property , is diagonalizable ...
本文写于2021年12月,发布在本人的老博客和校科协的网站上;现转载于此。 前言说到 C++ 的模板技术,有一个术语不得不提:SFINAE (读作 Sfee-nay,Substitution Failure is Not An Error )。这个技术使得 C++ 这样的静态语言在一定程度上可以实现类似反射的功能 (可以根据类型的特征,表现出不同的行为)。在 C++20 标准概念库发布之后,许多运用到 SFINAE 的场景都可以被概念取代,这一古老的方案也许也将退出到幕后。 当然,这不是一件值得悲伤的事情,这说明标准委员会在积极地寻求摆脱历史的包袱的途径。 这篇文章旨在向想要了解 SFINAE 的读者介绍这一技术的发展历史。