gcc.exe: 错误:Files\Python313\include:No such file or directory
创作声明:本文部分内容由AI辅助生成(AIGC),仅供参考
Python内容推荐
Python扩展和嵌入
征服Python:语言基础与典型应用 第8章 Python扩展和嵌入
轻量 GraphRAG 实战:实体关系图谱 + 多跳检索,零 Key 离线可跑(Python 源码)
轻量 GraphRAG 实战包。从样例知识库抽取实体关系,支持 k-hop 多跳检索与社区摘要;无 Key 可 Mock 离线问答。含样例与 smoke。
语义路由实战:关键字+假向量意图分类,零 Key 离线可跑(Python 源码)
意图/语义路由实战包。关键字+轻量向量混合分类,阈值回退;无 Key 离线可跑。含工具路由样例与 smoke。
ReAct Agent Lite 实战:Thought-Action-观察循环,零 Key 离线可跑(Python 源码)
用标准库实现经典 ReAct 循环(Thought / Action / Observation / Final Answer)。内置 AST 安全计算器、本地天气桩(非实时)和中文 FAQ 检索。默认离线 Mock,零 Key 可跑;可选通义千问。与 Function Calling、LangGraph 互不替代。含 4 个样例与冒烟脚本。MIT。作者 blog.csdn.net/mtl1994
C Programming
C Programming.pdf Contents Computers 1 An Introduction to Computers........................................................................................1 Hardware and Software ....................................................................................1 Data and Information .......................................................................................2 Data Processing................................................................................................2 Programming Languages 4 What is Programming? ..................................................................................................4 From Problem to Program ................................................................................5 Programming Languages ...............................................................................................8 C 8 A look at C ....................................................................................................................8 Making C Run..................................................................................................9 Creating C Programs........................................................................................9 What Comprises a C Program?.......................................................................10 The Advantages of C ......................................................................................11 The Disadvantages of C..................................................................................11 A First C Program 11 The Program Example .................................................................................................11 #include ........................................................................................................12 <stdio.h>.......................................................................................................12 void ...............................................................................................................12 main ..............................................................................................................13 ( void )...........................................................................................................13 { .....................................................................................................................13 float ...............................................................................................................13 height, width, area, wood_length................................................................13 ; .....................................................................................................................14 scanf .............................................................................................................14 ( .....................................................................................................................14 "%f", ..............................................................................................................14 &height..........................................................................................................15 ) ; ...................................................................................................................15 scanf ( "%f", &width ) ;.................................................................................15 area = 2 * height * width ;............................................................................15 wood_length = 2 * ( height + width ) * 3.25 ;.................................................16 printf..............................................................................................................16 ( "The area of glass needed is : %f metres.\n",.........................................16 area ) ; ..........................................................................................................17 printf ( "The length of wood needed is : %f feet.\n", wood_length ) ; ......17 } .....................................................................................................................17 Punctuation ....................................................................................................17 Variables 18 ii Variables and Data .........................................................................................18 Types of Variables .......................................................................................................18 Declaration ..................................................................................................................18 int variables....................................................................................................19 float variables ................................................................................................19 char variables ................................................................................................19 Missing Types ................................................................................................19 Variable Declaration ....................................................................................................19 Giving Values to Variables ..........................................................................................20 Expressions ....................................................................................................21 Types of Data in Expressions..........................................................................22 Getting Values into the Program ..................................................................................23 Writing a Program 24 Comments......................................................................................................24 Program Flow ..............................................................................................................24 Conditional Execution - if...............................................................................25 Conditions and Relational Operators ..............................................................26 Combining Logical Operators.........................................................................27 Lumping Code Together.................................................................................27 Magic Numbers and #define..........................................................................28 Loops .............................................................................................................29 Breaking Out of Loops ...................................................................................32 Going Back to the Top of a Loop ....................................................................32 More Complicated Decisions ..........................................................................33 Complete Glazing Program ............................................................................33 Operator Shorthand........................................................................................34 Statements and Values....................................................................................35 Neater Printing...............................................................................................36 Functions 37 Functions So Far ..........................................................................................................37 Function Heading ...........................................................................................37 Function Body ................................................................................................38 return .............................................................................................................38 Calling a Function..........................................................................................38 Scope .............................................................................................................39 Variables Local to Blocks ...............................................................................40 Full Functions Example..................................................................................40 Pointers.......................................................................................................................42 NULL Pointers ...............................................................................................44 Pointers and Functions ...................................................................................44 Static Variables............................................................................................................45 Arrays 46 Why We Need Arrays ..................................................................................................46 Sorting ...........................................................................................................47 Array Types and Sizes..................................................................................................49 More Than One Dimension ............................................................................50 Switching 53 Making Multiple Decisions ..........................................................................................53 Strings 55 iii How long is a piece of string?.......................................................................................55 Putting Values into Strings ..........................................................................................56 Using Strings ...............................................................................................................57 The String Library .......................................................................................................58 strcpy .............................................................................................................59 strcmp ............................................................................................................59 strlen..............................................................................................................59 Reading and Printing Strings .......................................................................................59 Bomb Proof Input.........................................................................................................60 Structures 61 What is a Structure?.....................................................................................................61 How Structures Work...................................................................................................63 Pointers to structures....................................................................................................63 Defining your own Types .............................................................................................64 Files 65 When do we use Files? .................................................................................................65 Streams and Files ...........................................................................................65 fopen and fclose ...........................................................................................................66 Mode String ...................................................................................................68 File Functions ..............................................................................................................70 fread and fwrite ..............................................................................................70 The End of the File and Errors.....................................................................................71 Memory 72 Fetching Memory.........................................................................................................72 malloc ............................................................................................................72 free.................................................................................................................73 The heap......................................................................................................................73 C and Large Programs 74 Building Large Programs in C .....................................................................................74 The Compile and Link Process .......................................................................74 Referring to External Items ............................................................................75 The Make Program.........................................................................................76 Projects ..........................................................................................................76 The C Pre-Processor.....................................................................................................77 The #include Directive ...................................................................................77 Conditional Compilation ................................................................................77 A Sample Project .........................................................................................................78 The Problem...................................................................................................78 The Data Structure .........................................................................................78 Program Files.................................................................................................79 The Most Important Bit!.................................................................................84 Glossary of Terms 93
Centos 安装 PHP7.4 和 Nginx的操作方法
主要介绍了Centos 安装 PHP7.4 + Nginx的操作方法,本文给大家介绍的非常详细,具有一定的参考借鉴价值,需要的朋友可以参考下
pip-matplotlib-3.8.0rc1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.zip
pip-matplotlib-3.8.0rc1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.zip
glew-2.1.0.tgz
c++ opengl的glew, # GLEW - The OpenGL Extension Wrangler Library  http://glew.sourceforge.net/ https://github.com/nigels-com/glew [](https://travis-ci.org/nigels-com/glew) [](https://gitter.im/nigels-com/glew?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) [](https://sourceforge.net/projects/glew/files/latest/download) ## Downloads Current release is [2.1.0](https://sourceforge.net/projects/glew/files/glew/2.1.0/). [(Change Log)](http://glew.sourceforge.net/log.html) Sources available as [ZIP](https://sourceforge.net/projects/glew/files/glew/2.1.0/glew-2.1.0.zip/download) or [TGZ](https://sourceforge.net/projects/glew/files/glew/2.1.0/glew-2.1.0.tgz/download). Windows binaries for [32-bit and 64-bit](https://sourceforge.net/projects/glew/files/glew/2.1.0/glew-2.1.0-win32.zip/download). ### Recent snapshots Snapshots may contain new features, bug-fixes or new OpenGL extensions ahead of tested, official releases. ## Build It is highly recommended to build from a tgz or zip release snapshot. The code generation workflow is a complex brew of gnu make, perl and python, that works best on Linux or Mac. For most end-users of GLEW the official releases are the best choice, with first class support. ### Linux and Mac #### Using GNU Make ##### Install build tools Debian/Ubuntu/Mint: `$ sudo apt-get install build-essential libxmu-dev libxi-dev libgl-dev libosmesa-dev` RedHat/CentOS/Fedora: `$ sudo yum install libXmu-devel libXi-devel libGL-devel` ##### Build $ make $ sudo make install $ make clean Targets: `all, glew.lib (sub-targets: glew.lib.shared, glew.lib.static), glew.bin, clean, install, uninstall` Variables: `SYSTEM=linux-clang, GLEW_DEST=/usr/local, STRIP=` _Note: may need to make **auto** folder_ ####
图腾柱无桥PFC变换器+平均电流控制+PI电压双闭环前馈控制设计(Simulink仿真实现)
内容概要:本文围绕图腾柱无桥PFC变换器的Simulink仿真实现,系统阐述了基于平均电流控制策略与PI电压双闭环前馈控制的设计方法,旨在提升功率因数校正系统的动态响应、稳态精度及抗干扰能力。文档详细介绍了主电路拓扑结构、控制环路架构设计、电流内环与电压外环的PI控制器参数整定方法,并重点分析了前馈补偿机制在改善系统瞬态性能中的作用。通过构建完整的Simulink仿真模型,验证了控制策略的有效性与鲁棒性,涵盖了信号采样、PWM调制、闭环调节及系统稳定性分析等关键环节。此外,内容还延伸至该技术在新能源发电、高效率电源系统及工业电力电子装置中的典型应用背景,具有较强的工程实践指导意义。; 适合人群:具备电力电子技术、自动控制理论及Simulink仿真基础,从事新能源变换器、电源产品研发或相关方向研究的科研人员、工程师及高年级本科生、研究生。; 使用场景及目标:①深入理解图腾柱无桥PFC变换器的工作原理及其控制难点;②掌握平均电流模式控制与双闭环PI前馈控制的系统化设计流程;③在Simulink环境中独立搭建高性能PFC仿真模型,用于科研验证、课程设计或实际工程项目开发。; 阅读建议:建议结合Simulink仿真平台边学习边实践,重点关注控制参数的整定过程与系统稳定性的频域分析,可通过对比不同工况下的仿真结果,进一步探究控制策略的优化空间,并推荐与同类PFC控制方案进行性能比较以深化理解。
【MATLAB例程】AOA(到达角度)+测距辅助的三维定位,以3个锚点为例 包运行成功
本例程使用MATLAB实现基于AOA与距离辅助的三基站三维定位算法,通过方位角、俯仰角及距离测量估计目标的三维空间坐标。程序分别实现纯AOA最小二乘定位和距离辅助AOA定位,并对比两种方法的定位结果。绘制三维定位示意图、XY/XZ/YZ平面投影图、三轴误差及三维位置误差对比图,同时输出目标真实坐标、估计坐标与定位误差。基站数量、目标位置和测量噪声等参数均可调整。
隔离型全桥LLC谐振变化器建模及参数设计资料【仿真+设计报告+计算书】
内容概要:本文档是一套关于隔离型全桥LLC谐振变换器的综合性技术资料,系统涵盖了拓扑建模、参数设计、闭环控制策略及仿真验证等关键环节。资料整合了Simulink仿真模型、详细设计报告、Mathcad计算书以及控制算法说明文档,深入探讨了恒压恒流双闭环控制、变频与移相混合控制、软启动机制等核心技术,并提供了多应用场景实例,包括双向全桥LLC、多相交错LLC以及电动汽车V2G系统中的CLLC变换器设计。此外,配套资源还包含了多种先进控制与状态估计算法(如EKF、UKF、PF及其与神经网络融合算法)的Matlab实现代码,强化了科研复现与工程实践能力。; 适合人群:适用于电气工程、电力电子及相关专业的研究生、科研人员,以及从事高频开关电源、新能源变换器开发的工程师;需具备扎实的电路理论基础与一定的仿真软件操作经验。; 使用场景及目标:①支持全桥LLC变换器的高效参数设计与动态性能优化;②服务于高校或企业的科研项目,助力拓扑创新与控制系统开发;③作为毕业设计、学术论文或工业级产品原型开发的重要技术参考,提升系统效率、稳定性和响应速度。; 阅读建议:建议结合Simulink仿真模型与Mathcad计算书同步学习,重点关注谐振元件匹配、控制环路设计与系统稳定性分析,充分利用提供的Matlab/Simulink环境进行仿真调试与二次开发,深化理论认知与实际工程应用的融合。
超全Mathcad全桥LLC谐振变换器开关电源设计mathcad计算书
内容概要:本文档为《超全Mathcad全桥LLC谐振变换器开关电源设计mathcad计算书》,系统性地介绍了全桥LLC谐振变换器的开关电源设计方法,重点利用Mathcad工具进行精确的数学建模与关键参数计算。内容涵盖谐振网络建模、变频控制策略设计、软开关实现机制、闭环控制系统分析等核心技术,并结合Simulink/Plecs仿真平台对设计方案进行验证,确保理论与实践紧密结合。文档不仅提供完整的设计流程和计算模板,还整合了PFC、Buck-Boost、CLLC、DAB等多种电力电子拓扑结构的相关设计资源,构建了一个面向高效率、高功率密度DC-DC变换器研发的综合性技术体系,适用于科研与工程开发双重场景。; 适合人群:电力电子、电气工程及其自动化等相关专业的研究生、科研人员及从事开关电源设计的工程技术人员,尤其适合具备一定电路理论基础和仿真能力的学习者。; 使用场景及目标:①深入掌握全桥LLC谐振变换器的工作原理及其关键参数(如谐振频率、增益特性、磁性元件设计)的计算方法;②学习如何使用Mathcad进行高效、规范的工程计算与公式推导;③结合Simulink/Plecs完成从建模、控制策略设计到系统级仿真的全流程验证;④为科研课题或实际产品开发提供可复用的设计模板与技术参考。; 阅读建议:建议读者按照文档目录顺序逐步学习,配合所提供的仿真模型与计算书同步操作,重点关注谐振参数匹配、变频控制逻辑、软启动策略与闭环稳定性设计等核心环节,同时可通过文中链接拓展学习其他相关电力电子拓扑,全面提升系统设计与仿真验证能力。
这里汇集了国内期货与股指市场的历史行情数据,涵盖商品期货与股指指数两大板块 数据字段包含交易时间、开盘价、最高价、最低价、收盘价、成交量以及持仓量,部分还提供成交额信息 商品期货覆盖能源、化工、黑色、
这里汇集了国内期货与股指市场的历史行情数据,涵盖商品期货与股指指数两大板块。数据字段包含交易时间、开盘价、最高价、最低价、收盘价、成交量以及持仓量,部分还提供成交额信息。商品期货覆盖能源、化工、黑色、有色、农产品等多个主流品种,股指指数则包括沪深300、上证50、中证500等主要标的。数据以分钟频率为主,便于用户进行策略回测与市场微观结构分析。 数据源:CMES金融数据库
2611040937204801.mp4
2611040937204801.mp4
硬件SD卡接口电路设计
树莓派物联网项目开发实战
科技中介服务机构如何利用数智化工具降低科技成果评估成本?.docx
科易网基于AI模型+行业大数据,在技术转移、成果转化、技术经纪、知识产权、产业创新、科技招商等垂直领域的多样化应用场景,推出科技创新领域的AI+工具与数智化解决方案,推动科技创新与产业创新智能化发展。
PSIM-串联谐振半桥LLC开关电源+PFM变频闭环控制【仿真+计算书+参考文献】
内容概要:本文档围绕“PSIM-串联谐振半桥LLC开关电源+PFM变频闭环控制”展开,系统介绍了基于PSIM仿真软件实现的半桥LLC谐振变换器的设计与闭环控制方法。内容涵盖电路拓扑结构、谐振参数设计、变频控制(PFM)策略、闭环反馈机制以及软启动过程的仿真分析,重点阐述了LLC变换器在高效率电源中的工作原理与工程实现细节。文档配套提供完整的仿真模型、详细的计算书及参考文献,帮助读者深入理解谐振变换器的关键技术环节。同时,该资源关联了大量电力电子领域的相关技术资料,包括PFC电路、双向DC-DC变换器、多电平变换器、PWM整流器等,构建了一个系统化、多层次的技术学习体系。; 适合人群:具备电力电子与电力传动基础知识,从事开关电源、新能源变换器、功率电子系统研发的工程师及电气工程类研究生。; 使用场景及目标:① 深入理解LLC谐振变换器的工作原理及其在高效电源转换中的应用价值;② 掌握PFM变频控制与电压/电流闭环调节在PSIM环境下的建模与仿真实现方法;③ 利用所提供的计算书与仿真模型开展课题研究、毕业设计或实际工程项目开发;④ 结合配套资源拓展对软开关技术、数字控制、磁性元件设计等相关核心技术的理解与综合应用能力。; 阅读建议:建议结合PSIM仿真软件进行动手实践,按照文档中的设计流程逐步搭建模型,重点关注谐振腔参数匹配、频率调节特性与闭环系统稳定性的分析,同时可参照文中列举的其他仿真案例进行对比验证与延伸学习,全面提升电力电子系统的设计与仿真能力。
产业园区运营负责人如何实现科技资源的高效配置与联动?.docx
科易网基于AI模型+行业大数据,在技术转移、成果转化、技术经纪、知识产权、产业创新、科技招商等垂直领域的多样化应用场景,推出科技创新领域的AI+工具与数智化解决方案,推动科技创新与产业创新智能化发展。
防火墙、企业微信、钉钉、飞书,免登录集成网关V1.0
Waf防火墙/钉钉 / 飞书 / 企业微信三种登录合并到一个网关,给不支持这些登录方式的老 Web 系统外挂一层前置第三方认证:
国央企在推动内部技术研发与成果转化时,如何实现技术供需的系统化管理与高效对接?.docx
科易网基于AI模型+行业大数据,在技术转移、成果转化、技术经纪、知识产权、产业创新、科技招商等垂直领域的多样化应用场景,推出科技创新领域的AI+工具与数智化解决方案,推动科技创新与产业创新智能化发展。
最新推荐







