JupyterNotebook教程:SIT742-Assignment2解析

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课程名称和编号: 本资源是与课程"SIT742"相关的作业或项目,编号为"Assignment2"。这表明它是一门技术密集型课程,很可能与信息技术、数据分析、机器学习或相关领域有关。 文件类型: 资源的标签指出了"JupyterNotebook",这表明该文件是一个Jupyter Notebook文件。Jupyter Notebook是一种交互式计算环境,可以让用户编写和执行代码块,同时在同一个文档中撰写文本说明、可视化和数学方程。Jupyter Notebook通常用于数据清洗和转换、数值模拟、统计建模、机器学习等任务。 文件内容和目标: 由于资源的标题和描述都简称为"SIT742-Assignment2",我们可以推断这是一个作业或项目任务。通常,这类任务会要求学生应用课程中学习到的概念和技术来解决问题或完成特定的数据分析项目。作业的具体要求和目标并没有在标题和描述中给出,但我们可以预期这可能包括编程任务、数据分析、报告撰写等。 文件名称: "压缩包子文件的文件名称列表"中的"SIT742-Assignment2-master"表明了原文件可能是以"master"命名的版本,并且已经压缩打包。"压缩包子"可能是对"压缩包"的误称,意味着文件以压缩格式分发,可能是一个.zip或者.tar.gz文件,这在分发大文件或者多个文件时十分常见,可以减少传输时间,提高效率。 可能涉及的知识点和技术: 由于作业标题和描述并没有提供详细信息,我们需要假设可能涉及的知识点。考虑到"SIT742"可能是一门与信息技术相关的课程,并且关联到了Jupyter Notebook,以下是一些可能涉及的知识点: 1. 编程语言:由于Jupyter Notebook支持多种编程语言,最可能使用的是Python,这在数据科学、机器学习和人工智能领域中非常流行。 2. 数据处理:学习如何在Jupyter Notebook中导入、清洗、转换和处理数据,可能涉及使用pandas、numpy等数据处理库。 3. 可视化:可能需要使用matplotlib、seaborn或其他可视化库在Notebook中创建图表和数据可视化。 4. 机器学习:如果作业与数据分析或人工智能有关,可能需要应用scikit-learn、tensorflow或keras等机器学习库。 5. 项目文档:Jupyter Notebook支持Markdown语法,可能需要编写包含标题、段落、列表、代码块和数学公式的文档部分,以清晰地展示和解释工作。 6. 版本控制:如果文件名称中的"master"指代Git版本控制系统中的一个分支,可能还会涉及到使用Git进行版本控制的基本知识。 7. 问题解决:作业可能还要求学生展示问题解决的能力,使用所学知识独立解决给定问题或案例研究。 由于缺乏具体的作业要求,以上仅是对可能涉及知识点的假设。如果能获得更详细的信息,例如作业的具体问题、预期结果或教学大纲,那么可以更精确地界定和讨论涉及的知识点。

The Sleeping Teaching Assistant A university computer science department has a teaching assistant (TA) who helps undergraduate students with their programming assignments during regular office hours. The TA’s office is rather small and has room for only one desk with a chair and computer. There are three chairs in the hallway outside the office where students can sit and wait if the TA is currently helping another student. When there are no students who need help during office hours, the TA sits at the desk and takes a nap. If a student arrives during office hours and finds the TA sleeping, the student must awaken the TA to ask for help. If a student arrives and finds the TA currently helping another student, the student sits on one of the chairs in the hallway and waits. If no chairs are available, the student will come back at a later time. Using POSIX threads, mutex locks, and/or semaphores, implement a solution that coordinates the activities of the TA and the students. Details for this assignment are provided below. Using Pthreads, begin by creating N students. Each will run as a separate thread. The TA will run as a separate thread as well. Student threads will alternate between programming for a period of time and seeking help from the TA. If the TA is available, they will obtain help. Otherwise, they will either sit in a chair in the hallway or, if no chairs are available, will resume programming and will seek help at a later time. If a student arrives and notices that the TA is sleeping, the student must notify the TA using a semaphore. When the TA finishes helping a student, the TA must check to see if there are students waiting for help in the hallway. If so, the TA must help each of these students in turn. If no students are present, the TA may return to napping. Perhaps the best option for simulating students programming—as well as the TA providing help to a student—is to have the appropriate threads sleep for a random period of time using the sleep() API:

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