PHAS0061分析
How can it be argued that irreversible macroscopic behaviour, characterised by the second lawof thermodynamics and uncertain predictions of future behaviour, can arise in a world governedby reversible deterministic Newtonian mechanics? Use diagrams in your answer.
2023-01-02
R语言代做编程辅导因子实验设计STA305/1004 Assignment(附答案)
(Adapted from Wu, Hamada, 2009) The following experiment was performed at a pulp mill. Plant performance is based on pulp brightness asmeasured by a reflective meter. Each of the shift operators (dentoted A, B, C, and D) made five pulp handsheets from unbleached pulp.Reflectance was read for each...
2022-12-14
SCOT 500M Operations Analytics: Simulation
As you read the case, consider how you would utilize Discrete Event Simulation to model services provided by the company’s tech teams. There are several challenges and issues one has to consider in analyzing the case. The following guidelines should help in developing key assumptions of the mod...
2025-02-19
LearningR-数据处理
R自带函数 reshape2data restructuring dplyrdata aggregation tidyr待整理 字符串处理 1. R自带函数 1.1 转置 使用函数t()可对一个矩阵或数据框进行转置,对于数据框,行名将变成变量(列)名。 {代码...} 数列array进行维度转换 aperm {代码...} 1.2 整合数据aggregate 在R中使用一个或多个by变量和一个预先定义好的函...
2016-05-20
深度学习组件手动实现
卷积 {代码...} 反卷积(反卷积=卷积+填充+裁剪) {代码...} Dropout {代码...} IOU {代码...} NMS {代码...} BatchNormalization {代码...}
2021-08-28
Vue2 SSR 的优化之旅
自从 Vue2 出正式版后, 就开始了 SSR 之旅, 不过之前用的都是虚拟主机, 部署不了 SSR, 所以也只是在本地写着玩, 双 11 的时候, 买了个某云主机, 正式开始了 SSR 之旅, 然后过程并不顺利, 部署, 运行都没问题, 但是发现内存泄漏严重, 1核1G内存的主机根本负担不了, 没什么访问量的情况下, 几个小时的时间, 1G 内存就用光,...
什么是SAP中间件的CSA queue
Ross asked why there is strange queue with name CSA* in inbound or outbound queue monitor.
2020-01-30
【TVM 教程】在 CUDA 上部署量化模型
本文介绍如何用 TVM 自动量化(TVM 的一种量化方式)。有关 TVM 中量化的更多详细信息,参阅 此处。本教程将在 ImageNet 上导入一个 GluonCV 预训练模型到 Relay,量化 Relay 模型,然后执行推理。
2024-08-02
Spring boot监控初探
最近对devOps这个话题有点兴趣,所以研究了一下monitor相关的开源项目,翻到medium上的一篇文章,而且实际项目中也曾看到devOps组的同事搭过类似的监控,就想过把瘾,了解一下监控可视化。
EE425X 信号处理
Homework 2EE425X - Machine Learning: A signal processing persepectiveLogistic Regression and Gaussian Discriminant AnalysisIn this homework we are going to apply Logistic Regression (LR) and Gaussian Discriminant Analysis(GDA) for solving a two-class classification problem. The goal will be to im...
2022-03-28
IDEPG001 Programming
IDEPG001 Programming Coursework The marks for each element are clearly indicated in the attached marking scheme. This assignment constitutes 70% of the total marks for this subject. Programming Programming V1 2324 © NCUK Ltd. 2023 Page 2 of 8 The brief As part of a climate change project, a natur...
2024-05-08
MTHM506 - Statistical Data Modelling
Marks achieved in this assignment will contribute towards 50% of the final module mark. You should attempt all questions on this sheet. Note that the questions are organised in the order we covered the topics, and not in order of difficulty. Therefore it is advised that you read through the quest...
2025-02-24
Java 的 FileFilter文件过滤与readline读行操作实例代码
复制代码 代码如下: {代码...}
2021-09-06
基于R语言股票市场收益的统计可视化分析
金融市场上最重要的任务之一就是分析各种投资的历史收益。要执行此分析,我们需要资产的历史数据。数据提供者很多,有些是免费的,大多数是付费的。在本文中,我们将使用Yahoo金融网站上的数据。
2022-06-08
数据分析36计(21):Uber、Netflix 常用倍差法模型量化营销活动、产品改版影响效果
目前 Uber、Netflix 在商业分析中的因果推断常用模型主要是倍差法(Difference in Difference)和匹配(Matching),目前已在其平台中建立相关方法的自主分析工具。这篇文章将介绍倍差法和普通回归法在效应量评估上的真实差异。
2021-01-03
DATA5100
The only data researcher/chemical analyst has resigned at the Blane Research Company. Prior to this person resigning, the wine dataset results from a chemical analysis of wines grown in the same region in Italy but derived from three different cultivars was under analysis for research recommendat...
2021-10-06
Chapter 8 Electrical Noise: An Overview
Chapter 8 Electrical Noise: An Overview对于一个Vp*sin(2pi t/T)的电压$$ V(t)=V^2_Psin(2\pi f\cdot t) $$Average Power Dissipated:$$ {\frac{1}{T}\int_{0}^{T}V(t)^2dt}=\frac{V^2_P}{2} $$Mean-Square Voltage:$$ {\frac{1}{T}\int_{0}^{T}V(t)^2dt}=\frac{V^2_P}{\sqrt{2}} $$Root-Mean-Square Voltage$$ V_{RMS...
2023-06-06