Kezhi's Blog

本文主要进行了一元高斯分布熵的推导：

This article mainly derives the entropy of a univariate Gaussian distribution:

我过去经常帮身边的朋友指导电脑硬件配置。然而，对于个人电脑来说，如果胡乱装软件，或者用了不合适的软件，会让电脑的使用效率事倍功半。同时，在我个人拿到一台新电脑时，也需要根据我的习惯初始化配置很多软件到新电脑上。由此，便有了写一份软件配置清单的想法，一来可以给大家做一些软件推荐，二来我自己也留一份作为参考。

I used to help my friends around me with computer hardware configurations. However, for personal computers, if you install software randomly or use inappropriate software, it will greatly reduce the efficiency of computer usage. At the same time, when I get a new computer, I also need to initialize and configure many software according to my habits. Therefore, I had the idea of writing a software configuration checklist, which can not only provide software recommendations for everyone, but also serve as a reference for myself.

在使用公共服务器时，通常用户只有普通权限账户，无法按照自己的想法任意对服务器进行配置。为满足这种需求，常使用docker来实现在容器内使用root权限来自由配置环境。VNC是一种常用的远程桌面，可以通过端口通信实现服务器渲染画面的回传。这在进行一些有界面的实验（如mujoco，habitat, igibson环境）时非常有用。本文将主要介绍如何在docker中配置vnc桌面，并给出了一个打包好的镜像：kezhiadore/ubuntu-vnc - Docker Image | Docker Hub

When using public servers, users typically have regular user accounts with limited permissions, unable to configure the server freely according to their preferences. To meet this demand, Docker is often used to allow root privileges within containers for environment configuration. VNC, a commonly used remote desktop tool, facilitates server-side rendering of graphical interfaces, which is particularly useful for experiments requiring interfaces (such as mujoco, habitat, igibson environments). This article mainly discusses configuring VNC desktop within Docker and provides a pre-packaged image: kezhiadore/ubuntu-vnc - Docker Image | Docker Hub

深度强化学习算法相比于深度学习，有更多的超参数需要调节，本文主要对DDPG算法中的actor网络和critic网络学习率的设置对学习效果的影响进行了探讨。

Deep reinforcement learning algorithms have more hyperparameters to tune compared to deep learning. This article mainly discusses the impact of the learning rate settings for the actor and critic networks in the DDPG algorithm on the learning performance.

前两天，由4位轮值主席组织的第一届游在长安活动正式落幕。在活动组织过程中，有一个小游戏的分组问题很有一次，在此记录。

A few days ago, the first "Game in Chang'an" event organized by four rotating chairpersons officially came to an end. There was a grouping problem in a small game during the event, and I will record it here.