A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
当安装Python后在命令行使用pip出错，通常是因Python的可执行路径未加入环境变量。 解决方案包括：找到Python安装路径下的Scripts文件夹，复制其路径；在系统环境变量的Path中添加该路径；然后在命令提示符中验证pip是否可用。 【三步解决】‘pip’ 不是内部或外部命令，也不是可运行的程序或批处理文件。 如果安装 Python 后，在命令行下使用 pip 命令时遇到【‘pip’ 不是内部或外部命令，也不是可运行的程序或批处理文件。 】一般是由于我们在 安装Python 时，没有将Python的可执行程序正确地添加到系统的环境变量中去。 第三步：打开【命令提示符】，输入pip，显示以下内容，问题解决！ 文章浏览阅读10w 次，点赞156次，收藏203次。
复制设置就可以 （每个人显示的可能不同，大概路径是这样，自行分别） 在找到路径后，便可以打开系统设置 系统属性 环境变量 在系统变量的Path，打开，新建，然后粘贴在命令行得到的地址就行，点击确定。 最后在命令行输入pip
有的同学在使用 pip 安装第三方库时，系统报错，提示 pip不是内部或外部命令，也不是可运行的程序。 这是由于在安装Python的时候，没有勾选 Add Python 3.8 to PATH。 Add Python 3.8 to PATH 的意思就是 把Python加入环境变量。 解决的办法是在高级系统设置里把Python的安装目录和安装目录下的【Scripts】文件夹所在的目录加入到环境变量中。 Scripts [skrɪpts]：脚本。 这个操作就是我们常说的配置环境变量。 然后关闭 cmd.exe 再重新启动输入安装命令即可。 2. 手动配置环境变量. 1. 准备工作. 先找到你的Python安装目录和安装目录下的【Scripts】文件夹所在的位置。
遇到‘pip不是内部或外部命令’？ 本指南直击环境变量配置这一根源，通过清晰的图文步骤，教你如何将Python Scripts目录添加至系统路径，从而快速修复此问题。
Python初学者常遇pip安装问题，如"'pip' 不是内部或外部命令"。 原因包括Python未正确安装、环境变量配置错误等。 解决方法：Windows检查安装及环境变量，重新安装pip；Mac Linux确认Python安装，安装pip并确保目录在PATH中。
对于 python 学习者来说，经常需要安装一些第三方的库，经常使用的命令就是 pip install 要安装的库. 但是，如果没有配置 pip 的 Path, 那么我们的系统是找不到 pip 命令的，会出现 'pip' 不是内部或外部命令，也不是可运行的程序或批处理文件，如下图所示. 因此，需要对 pip 的路径进行配置，能够让我们的计算机识别这个命令。 不论你的计算机上安装的是 Python 还是 Anaconda, 在你计算机上的 安装目录 中都会有一个叫作 Scripts 的目录，这个目录下面就有我们使用的 pip 和 pip3 命令工具，将该目录的绝对路径复制到环境变量中，系统便能够找到并识别 pip 和 pip3 命令。
python: 安装python 依赖pip install xxx报错，'pip' 不是内部或外部命令，也不是可运行的程序 查看python版本：python version 安装pip（查询ai发现 Python 3.4 及以上的版本，应该预装了pip ） python m pip install upgrade pip 执行后发现先卸载，后安装了相同的版本pip ...
遇到“pip不是内部或外部命令”错误？ 本文通过分析环境变量等根因，并区分Windows与Mac Linux，提供详细步骤和修复命令，助您快速修复Python环境。
pip 是 Python 包管理工具，该工具提供了对Python 包的查找、下载、安装、卸载的功能。 目前如果你在 python.org 下载最新版本的安装包，则是已经自带了该工具。 注意：Python 2.7.9 或 Python 3.4 以上版本都自带 pip 工具。
pip version #查询pip版本 如果输入pip version之后显示“‘pip'不是内部或外部命令，也不是可运行的程序或批处理文件”，那我们再检查一下是否安装了python 或许会疑问我分明已经安装了python了，为什么还要检查python是否安装。
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