如果你也在 怎样代写机器学习Machine Learning ENGG3300这个学科遇到相关的难题，请随时右上角联系我们的24/7代写客服。机器学习Machine Learning学习算法的工作基础是，过去行之有效的策略、算法和推论有可能在未来继续行之有效。这些推论可以是显而易见的，例如 “由于在过去的一万天里，太阳每天早上都会升起，所以它可能在明天早上也会升起”。它们可以是细微的，例如 “X%的家族有地理上独立的物种，有颜色变异，所以有Y%的机会存在未被发现的黑天鹅”。
机器学习Machine Learning程序可以在没有明确编程的情况下执行任务。它涉及到计算机从提供的数据中学习，从而执行某些任务。对于分配给计算机的简单任务，有可能通过编程算法告诉机器如何执行解决手头问题所需的所有步骤；就计算机而言，不需要学习。对于更高级的任务，由人类手动创建所需的算法可能是一个挑战。在实践中，帮助机器开发自己的算法，而不是让人类程序员指定每一个需要的步骤，可能会变得更加有效 。
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计算机代写|机器学习代考MACHINE LEARNING代考|Bluetooth Low Energy (BLE)
The Arduino Nano 33 BLE Sense is equipped with Bluetooth features. The Classic form of Bluetooth was designed to provide a wireless replacement for the common RS-232 serial connection standard. The Arduino Nano 33 BLE sense is also equipped with Bluetooth Low Energy (BLE) features. It is important to note that Bluetooth Classic and BLE features are not compatible with one another. We explore Bluetooth Classic in “Arduino III: Internet of Things.” 2 We concentrate on BLE features here.
Bluetooth BLE provides for low transmit power $(10 \mathrm{~mW})$, short (maximum $100 \mathrm{~m}$ ) range RF connections to replace wires. It uses the crowded Industrial, Scientific, and Medical (ISM) frequency band from $2.40$ to approximately $2.50 \mathrm{GHz}$. The BLE band is divided into 40 different, $2 \mathrm{MHz}$ channels as shown in Fig. 2.9. BT BLE employs an interesting frequency hopping technique to communicate. Data for transmission is divided into packets at data rates from 125 to $2 \mathrm{Mb} / \mathrm{s}$. The device transmits a packet of data at the first carrier frequency. It then hops to a different carrier frequency for the next packet and so on until the entire message is transmitted as shown in Fig. 2.9b). Formally the BT BLE modulation technique is called Direct Sequence Spread Spectrum (DSSS) (www.bluetooth.com).
BLE uses the Generic Attribute (GATT) Profile to establish two different primary roles for a BLE connection:
The peripheral or server role provides bulletin board features where data is posted for reading.
The central or client role can read and interact with the posted data.
In Fig. 2.10 we use an Arduino Nano 33 BLE Sense in a peripheral server role to collect important greenhouse information such as external temperature, internal temperature, humidity, and soil moisture content. The greenhouse related data is collected and organized into a BLE service. The service related data is provided as BLE configured characteristics. To allow ease of access to the information from an external central client device, the BLE service and characteristics are each assigned a universally unique identifier (UUID) (www. bluetooth.com). If we were to expand the features of the project with additional services, we could group them into a profile.
There are a number of 16 bit pre-assigned UUIDs. The UUIDs represent different manufacturers and technology companies employing Bluetooth-based technologies. Also, UUIDs have been pre-assigned to common Bluetooth features and common pre-assigned data types (e.g. temperature, pressure, etc.) (www.bluetooth.com):
Bluetooth members: 0xFxxx
GATT characteristic and object type: $0 x 2 x x x$
GATT declarations: 0x28xx and 0x29xx
GATT service: $0 x 18 x x$
GATT unit: $0 \times 27 \mathrm{xx}$
protocol identifier: $0 x 00 x x$
计算机代写|机器学习代考MACHINE LEARNING代考|ArduinoBLE Library
The ArduinoBLE Library provides for a wide variety of BLE configurations. The library is downloaded from within the Arduino IDE using the Library Manager. The library is organized into different classes including the (www.arduino.cc):
- BLE Class used to enable the BLE module,
- BLE Device Class to get information about connected devices,
- BLE Service Class to enable services and interaction with services,
- BLE Characteristic Class to enable characteristics and interaction with them, and
- BLE Descriptor Class to describe characteristics.
To get acquainted with the library we continue with a series of examples. The first two examples are adapted from the Arduino BLE Library. In the third example, we configure an Arduino Nano 33 BLE Sense as the server to collect and post greenhouse data. A cell phone is configured as a client to poll and interact with the greenhouse data. The cell phone is equipped with a BLE compatible app to interact with the Nano 33. This example is provided in the Application section at the end of the chapter.
机器学习代考
计算机代写|机器学习代考MACHINE LEARNING代考|Bluetooth Low Energy (BLE)
Arduino Nano 33 BLE Sense 配备了蓝牙功能。蓝牙的经典形式旨在提供通用 RS-232 串行连接标准的无线替代品。Arduino Nano 33 BLE sense 还配备了低功耗蓝牙 (BLE) 功能。请务必注意，经典蓝牙和 BLE 功能彼此不兼容。我们在“Arduino III：物联网”中探索蓝牙经典。2 我们在这里专注于 BLE 功能。
蓝牙 BLE 提供低传输功率(10 米在)，短（最大100 米) 范围射频连接以取代电线。它使用拥挤的工业、科学和医疗 (ISM) 频段2.40大约2.50GH和. BLE频段分为40个不同的，2米H和通道如图 2.9 所示。BT BLE 采用有趣的跳频技术进行通信。传输的数据被分成数据包，数据速率从 125 到2米b/秒. 该设备以第一载波频率发送数据包。然后它跳到下一个数据包的不同载波频率，依此类推，直到整个消息被传输，如图 2.9b) 所示。BT BLE 调制技术正式称为直接序列扩频 (DSSS) (www.bluetooth.com)。
BLE 使用通用属性 (GATT) 配置文件为 BLE 连接建立两个不同的主要角色：
外设或服务器角色提供公告板功能，其中发布数据以供阅读。
中央或客户端角色可以读取发布的数据并与之交互。
在图 2.10 中，我们在外围服务器角色中使用 Arduino Nano 33 BLE Sense 来收集重要的温室信息，例如外部温度、内部温度、湿度和土壤水分含量。温室相关数据被收集并组织成 BLE 服务。服务相关数据作为 BLE 配置特性提供。为了便于从外部中央客户端设备访问信息，BLE 服务和特征都分配了一个通用唯一标识符 (UUID) (www.bluetooth.com)。如果我们要使用附加服务扩展项目的功能，我们可以将它们分组到一个配置文件中。
有许多 16 位的预分配 UUID。UUID 代表采用蓝牙技术的不同制造商和技术公司。此外，UUID 已预先分配给常见的蓝牙功能和常见的预先分配的数据类型（例如温度、压力等）（www.bluetooth.com）：
蓝牙成员：0xFxxx
GATT 特性和对象类型：0X2XXX
GATT 声明：0x28xx 和 0x29xx
关贸总协定服务：0X18XX
关贸总协定单位：0×27XX
协议标识符：0X00XX
计算机代写|机器学习代考MACHINE LEARNING代考|ArduinoBLE Library
ArduinoBLE 库提供了多种 BLE 配置。该库是使用库管理器从 Arduino IDE 中下载的。该库分为不同的类，包括 (www.arduino.cc)：
- BLE 类用于启用 BLE 模块，
- BLE Device Class 以获取有关已连接设备的信息，
- BLE 服务类，用于启用服务和与服务的交互，
- BLE Characteristic Class 以启用特性并与它们交互，以及
- BLE Descriptor Class 描述特性。
为了熟悉这个库，我们继续使用一系列示例。前两个示例改编自 Arduino BLE 库。在第三个示例中，我们将 Arduino Nano 33 BLE Sense 配置为服务器来收集和发布温室数据。将手机配置为客户端，以轮询温室数据并与之交互。手机配备了一个与BLE兼容的应用程序来与Nano 33互动。这个例子在本章末尾的应用部分提供。
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微观经济学代写
微观经济学是主流经济学的一个分支，研究个人和企业在做出有关稀缺资源分配的决策时的行为以及这些个人和企业之间的相互作用。my-assignmentexpert™ 为您的留学生涯保驾护航 在数学Mathematics作业代写方面已经树立了自己的口碑, 保证靠谱, 高质且原创的数学Mathematics代写服务。我们的专家在图论代写Graph Theory代写方面经验极为丰富，各种图论代写Graph Theory相关的作业也就用不着 说。
线性代数代写
线性代数是数学的一个分支，涉及线性方程，如：线性图，如：以及它们在向量空间和通过矩阵的表示。线性代数是几乎所有数学领域的核心。
博弈论代写
现代博弈论始于约翰-冯-诺伊曼（John von Neumann）提出的两人零和博弈中的混合策略均衡的观点及其证明。冯-诺依曼的原始证明使用了关于连续映射到紧凑凸集的布劳威尔定点定理，这成为博弈论和数学经济学的标准方法。在他的论文之后，1944年，他与奥斯卡-莫根斯特恩（Oskar Morgenstern）共同撰写了《游戏和经济行为理论》一书，该书考虑了几个参与者的合作游戏。这本书的第二版提供了预期效用的公理理论，使数理统计学家和经济学家能够处理不确定性下的决策。
微积分代写
微积分，最初被称为无穷小微积分或 “无穷小的微积分”，是对连续变化的数学研究，就像几何学是对形状的研究，而代数是对算术运算的概括研究一样。
它有两个主要分支，微分和积分；微分涉及瞬时变化率和曲线的斜率，而积分涉及数量的累积，以及曲线下或曲线之间的面积。这两个分支通过微积分的基本定理相互联系，它们利用了无限序列和无限级数收敛到一个明确定义的极限的基本概念 。
计量经济学代写
什么是计量经济学？
计量经济学是统计学和数学模型的定量应用，使用数据来发展理论或测试经济学中的现有假设，并根据历史数据预测未来趋势。它对现实世界的数据进行统计试验，然后将结果与被测试的理论进行比较和对比。
根据你是对测试现有理论感兴趣，还是对利用现有数据在这些观察的基础上提出新的假设感兴趣，计量经济学可以细分为两大类：理论和应用。那些经常从事这种实践的人通常被称为计量经济学家。
MATLAB代写
MATLAB 是一种用于技术计算的高性能语言。它将计算、可视化和编程集成在一个易于使用的环境中，其中问题和解决方案以熟悉的数学符号表示。典型用途包括：数学和计算算法开发建模、仿真和原型制作数据分析、探索和可视化科学和工程图形应用程序开发，包括图形用户界面构建MATLAB 是一个交互式系统，其基本数据元素是一个不需要维度的数组。这使您可以解决许多技术计算问题，尤其是那些具有矩阵和向量公式的问题，而只需用 C 或 Fortran 等标量非交互式语言编写程序所需的时间的一小部分。MATLAB 名称代表矩阵实验室。MATLAB 最初的编写目的是提供对由 LINPACK 和 EISPACK 项目开发的矩阵软件的轻松访问，这两个项目共同代表了矩阵计算软件的最新技术。MATLAB 经过多年的发展，得到了许多用户的投入。在大学环境中，它是数学、工程和科学入门和高级课程的标准教学工具。在工业领域，MATLAB 是高效研究、开发和分析的首选工具。MATLAB 具有一系列称为工具箱的特定于应用程序的解决方案。对于大多数 MATLAB 用户来说非常重要，工具箱允许您学习和应用专业技术。工具箱是 MATLAB 函数（M 文件）的综合集合，可扩展 MATLAB 环境以解决特定类别的问题。可用工具箱的领域包括信号处理、控制系统、神经网络、模糊逻辑、小波、仿真等。