MathWorks MATLAB R2021b Update 3 (x64) | 19.2 Gb
MATLAB 是数百万工程师和科学家都在使用的编程和数值计算平台，支持数据分析、算法开发和建模。用于预处理和分析数据、编写脚本和算法、构建应用程序和基于团队的软件开发的新工具。
MATLAB
将适合迭代分析和设计过程的桌面环境与直接表达矩阵和数组运算的编程语言相结合。
MathWorks introduced Release 2021b Update 3 (9.11.0.1873467) of the MATLAB and Simulink product families. Release 2021b (R2021b) offers hundreds of new and updated features and functions in MATLAB and Simulink, along with two new products and five major updates.New capabilities in MATLAB include code refactoring and block editing, as well as the ability to run Python commands and scripts from MATLAB. Simulink updates enable users to run multiple simulations for different scenarios from the Simulink Editor and to create custom tabs in the Simulink Toolstrip.R2021b Update 3 Release Notes - Date: February 17, 2022Each R2021b Update contains bug fixes to R2021b, including all the fixes from previous updates. R2021b Update 3: Bugs fixed in this update2642393 Warning when loading pretrained ivectorSystem while using speakerRecognition
2670505 Reading map data from HERE HD Live Map web service can cause error
2658981 Simulation mismatch between numerical SIL and normal mode for models that use AUTOSAR 4.0 code replacement library for the function Mfx_ConvertP2
2638357 Simulink simulations run in a parallel pool with the Bit Error Rate Analysis app can result in an unexpectedly high BER
2621666 Incorrect Code Generation, The estimateGeometricTransform2D function returns anincorrect rigid transformation Computer Vision
2627715 LPV System Block produces incorrect answer for LTI arrays with irregular grid and unsorted data in the SamplingGrid property.
2613483 Database Explorer app crashes during test of data source connection
2582475 Incorrect prediction results for some custom bitstream configurations.
2597894 Using the KernelDataType module property in Processor Configuration to set module data types does not throw error
2618500 Incorrect validation loss when using pixelClassificationLayer with class weights
2620739 Simulation of a Simulink model with multiple MATLAB Function blocks loading similar networks might produce incorrect answers
2660210 Experiment Manager displays incorrect training loss values
2625283 Code Generation Failure for FIR Interpolation Blocks in Cascade when 'DSP Intel AVX2-FMA' Code Replacement Library (CRL) is Used
2663380 Build Failure in LMS Filter System object and Block when 'DSP Intel AVX2-FMA' Code Replacement Library (CRL) is Used”
2539630 Incorrect Code Generation, Model with muxed root-level function-call signals connected to a Function-Call Subsystem might generate incorrect code Embedded Coder
2592617 AUTOSAR models having Simulink signals or parameters in the baseworkspace that use storage classes might generate uncompilable code.
2602060 Different code might be generated when you change the code generation order of models that use the same reusable library subsystem
2609990 Incorrect Code Generation, Update to Stateflow output may generate incorrect code
2674685 Preserve array dimensions property not present in the Custom Storage Class Designer dialog box
2551298 Incorrect Code Generation, When targeting cuDNN with INT8 precision, the code generated for deep learning network having grouped convolution layers might produce incorrect results
2616442 HDL code generation failure from a top-level model that contains a protected model
2656440 HDL IP core generation using Xilinx Vivado fails as of January 1, 2022 HDL Coder
2622941 Setting an ASCII format string with delimiters in a TCP/IP Receive block results in an error
2505701 Rerunning sections in the Live Editor which contain subplot or tiledlayout can result in overlapping text and distortion in the figure outputs
2520456 MATLAB might freeze sporadically when running large live scripts that produce many figure outputs
2587056 Error message text does not wrap in the Command Window
2613427 When running in batch mode, MATLAB sometimes shows a Java error message when shutting down
2632401 Accessibility Issue, Hyperlinks created in MATLAB R2021b that link to a location within the same document do not work in a previous version of MATLAB
2654259 Error occurs when closing an App Designer app while execution is paused due to a call to uiwait in the startupFcn for the app
2665348 MATLAB might crash when it is launched in non interactive mode using -batch option
2363590 Assertion error when generating code for MATLAB function when variable sized matrix is assigned a scalar value
2573738 Incorrect Code Generation, Permute function is scalarized incorrectly
2618298 Incorrect Code Generation, When doing horizontal concatenation followed by vertical concatenation
2625699 Incorrect Code Generation, Code generated for dlarray indexing operations might produce incorrect answer
2589693 Error when executing an installer for a MATLAB Production Server deployable archive with Excel integration
2622467 Security Issue, matlab.io.xml.dom.Parser with document type definitions (DTDs) is vulnerable to XML External Entity (XXE) attack
2625019 Exporting PWM Reference Generator block to a version earlier than R2021b produces broken library link
2625882 The MTPA Control Reference block and the ACIM Control Reference block do not limit the negative Iq Reference output to the specified Max current
2631047 Local clusters are not supported in MATLAB Web App Server
2538772 Polyspace in-product documentation not displayed on Linux
2603864 ROS/ROS 2 Subscriber's receive function returns status output as true in the generated code even when no message is received.
2652897 Performance regression in access, link, and fieldOfView functions when using satellite scenario
2616473 Models created in SimBiology Model Builder might not appear in SimBiology Model Analyzer
2644850 SimBiology projects saved with an empty plot between R2019b and R2020b do not load in later releases
2652851 Group-specific variants and doses are not included when copying a Fit Data program in SimBiology Model Analyzer
2672167 Incorrect simulation results for compartments when unit conversion is enabled
2632867 MATLAB might stall during model update with Variant Connector and Simscape Bus block
2653389 MATLAB crashes during model update with Variant Connector, Simscape Bus and Variant Subsystem block with connection port
2637417 Initialization error when using Hysteresis MAT files generated from Transformer Hysteresis Design Tool app in Simscape Electrical Specialized Power Systems
2636972 Some gas blocks do not correctly update parameter visibility
2638359 Possible simulation failure when a flexible body with three or more frames is part of a kinematic loop.
2647104 MATLAB may crash if invalid inputs are given to the Grid Surface block
2419782 Folders are created when opening a Simulink model in the current directory
2461033 Incorrect output for export-function model in accelerator and rapid accelerator modes when logged signal or root Out Bus Element block uses union sample time
2505647 Simulink customization might fail when starting Simulink
2555795 Subsystem reference update fails if block pre-copy callback errors during synchronization
2591157 MATLAB might crash when converting a subsystem with Simscape blocks to a referenced model
2591933 Simulink compilation slows down when a top model contains a Ground block or an Inport block using large nested buses
2606636 Scenarios in Signal Editor block disappear when enumerated value name is changed
2610360 Using mixed signal and message ports in the same reference component in an architecture model might produce incorrect error messages
2627867 In Signal Editor, graphically removing data points of Boolean data type does not work as expected
2630980 Loading the initial state in rapid accelerator for a model may error when a virtual bus only exists in the referenced model
2640379 Running multiple test cases with iterations in Fast Restart throws errors.
2646207 During fast restart or runtime update diagram, Simulink reports an error when replacing a Simulink. Signal object with another signal object with the same property values
2658005 Root Inport Mapper freezes when saving MAT-file with same name as any variable in From Workspace link dialog box
2658170 In Signal Editor, Draw Signal context menu stays visible even after clicking Close Draw Signal
2661844 Cosmetic misalignment in comparison results for modified model configuration sets or internal test harnesses in published HTML reports
2665571 Incorrect Code Generation, MinMax block might produce incorrect results in accelerator and rapid accelerator modes with NaN input and zero-crossing detection
2570415 The JMAAB check for mathworks.jmaab.ar_0002 reports auto generated folder names which violate the guideline
2621684 setCheckErrorSeverity() call for a Model Advisor object does not work when set to error
2625745 JMAAB check for db_0129 does not report transition lines that overlap one another
2626539 JMAAB check for db_0042 incorrectly flags hidden Simulink blocks
2626620 JMAAB check for jc_0752 does not report warning for parentheses in condition actions
2630066 JMAAB check for db_0125 does not report warning for data objects in State Transition Tables
2632041 JMAAB check for db_0129 does not report transition lines that are diagonally oriented
2634137 JMAAB check for jc_0611 does not report warning for Product blocks with multiplication operators
2636425 execute function returns uninformative error message when multiple artifacts are dirty
2662447 JMAAB check for db_0032 reports incorrect warning for signal lines
2663795 JMAAB check for jc_0753 does not report Transition Actions not enclosed in curly braces
2621346 Connected Switch and Scope blocks produces error in XCP-based external mode simulation
2623891 If target.Processor object is added to internal database in R2021a, target package functions cannot be used after upgrade to R2021b, R2022a, or R2022b
2583012 Rapid accelerator or Simulink Compiler deployed simulation stalls after an error in postStepFcn callback
2637454 MATLAB might throw an error when applying a coverage filter
2655594 Aggregating coverage data for model and subsystem harnesses might error
2394356 Poorly formatted Iteration names and Excel tab names when generated test cases are exported to Simulink Test
2548201 Incorrect Unsatisfiable objectives for Saturation blocks with a vector of Inf bounds
2590973 Running analysis on subsystem harness model using Simulink Design Verifier errors out and results in model incompatibility
2667523 Simulink Design Verifier may incorrectly show Incompatible for models with arrays of complex numbers as output or input to function calls
2599623 Copying and pasting a requirement does not copy custom attributes
2626349 Custom attribute values are deleted when you move a requirement by clicking and dragging
2637272 Closing a MATLAB project takes a long time when many link sets are open
2492576 Saving model with test harnesses and immediately closing it might crash MATLAB
2568027 Test file containing two or more test cases using different harnesses might crash MATLAB when run in Test Manager
2663618 After loading a System Composer model, this error appears, Uniqueness Violation
1815900 MATLAB crashes when using a DBC-file that contains inconsistencies
专业开发
MATLAB 工具箱经过专业开发、严格测试并拥有完善的帮助文档。
包含交互式应用程序
MATLAB 应用程序让您看到不同的算法如何处理您的数据。在您获得所需结果之前反复迭代，然后自动生成 MATLAB 程序，以便对您的工作进行重现或自动处理。
以及扩展能力
只需更改少量代码就能扩展您的分析在群集、GPU 和云上运行。无需重写代码或学习大数据编程和内存溢出技术。
Company MathWorks most complete software for computational computer produces; the main program the company that actually Passport is software MATLAB (short for Mat rix Lab Oratory and means lab Matrix) is one of the most advanced software, algorithms and math and a programming language developed generation fourth is possible to visualize and plot functions and data is provided. Icon and bookmark MATLAB with the manufacturer's logo is the same as the wave equation, L-shaped membrane and special functions have been extracted. MATLAB competitors such as Mathematica, Maple and Mathcad noted. Facilities and software features MathWorks MATLAB:-perform a variety of complex mathematical calculations and heavy-Development environment for managing code, files, and data-explore ways to achieve this solution-A variety of mathematical functions for linear algebra, statistics, Fourier analysis, optimization, filtering, numerical integration and …-drawing two-dimensional and three-dimensional graphics functions for visualizing data as-Design and construction of user interfaces under the programming languages C ++, C or Java-Ability to test and measure the exact functions and graphs-the possibility of communication signal processing, image and video-There are various Jbhabzarhay engineering companies for specific applications such astelecommunications, control, fuzzy, estimates, statistics, data collection, simulation systems,neural networks, probability and … 环境新编辑器 ： 使用新的功能进行代码重构和阻止编辑， 并改进代码建议， 代码完成和调试 （R2021b）
新实时编辑器控制：为滑块、下拉列表、复选框和编辑字段（R2021b）设置默认值
通过将变量与下拉项目和滑块值（R2021a）连接起来，在实时脚本中创建动态控制新现场编辑动画：使用交互式界面控制动画（R2021a），并将其导出到电影或动画 GIF （R2021b）
实时编辑字体： 使用设置（R2021a）按程序更改字体的名称、样式、大小和颜色
实时编辑书签： 在行之间快速导航 （R2021a）
iOS 上的实时编辑器： 在 iPhone 和 iPad （R2020b） 上创建、编辑和运行 MATLAB 手机中的实时脚本
实时编辑器任务： 浏览参数，查看结果，并自动生成代码 （R2020a， R2019b）应用构建应用设计师允许您创建专业的应用程序，而不必是一个专业的软件开发人员。
背景中的新运行代码：使用并行语言创建响应更灵敏的应用 （R2021b）
新添加样式功能 ： 将样式添加到树 UI 组件中的节点和水平 （R2021b）
新应用程序设计师 ： 使用来自代码视图实时编辑器的工具和快捷方式 （R2021b）
在设计视图画布中缩放和平移（R2021a）
uihyperlink功能： 在应用程序和应用设计师画布 （R2021a） 中添加和配置可点击链接
uitree功能： 在应用程序和应用设计师画布 （R2021a） 中添加和配置复选框树
滚动功能 ： 以编程方式滚动到表 UI 组件中的位置 （R2021a）
图标属性：指定UI图窗口和工具栏推动和切换工具（R2020b）的自定义图标
比较工具： 使用差异和合并应用程序设计师应用程序 （R2020b）
自定义 UI 组件：创建自己的类，使复合 UI 组件封装算法，以及图形和 UI 对象 （R2020b）
导出应用程序和获取帧功能：捕获和保存应用程序的图像（R2020b）
数据导入和分析访问、组织、清洁和分析来自各种来源的数据。
新文件I/O：直接阅读和写入表格、时间表和结构（R2021b、R2021a、R2020b）的XML、HTML和微软Word文件
新 sftp功能： 从 SFTP 服务器 （R2021b） 安全地连接和读取数据
新的实时编辑任务：交互式总结、转换和过滤数据组（按组计算）：中心和规模数据 （规范化） （R2021b）
操作具有自动生成 MATLAB 代码 （R2020a） 的任务的表和时间表交互式预处理数据 （R2019b）新功能 ： 查找数据的长期和季节性趋势 （R2021b）trenddecomp
新时段2定时函数：将时盘对象转换为时间表（R2021b）
新 HDF5：支持 HDF5 版本 1.10，包括单文本/多读卡器 （SWMR）、虚拟数据集 （VDS） 和元数据缓存微调 （R2021b）
新 NetCDF：支持 NetCDF 版本 4.7.4，包括阅读和编写NC_STRING数据 （R2021b）
用于高级 XML 处理的 MATLAB API：使用 MATLAB API 创建、转换和查询 XML 文件以进行 XML 处理 （R2021a）数据可视化使用新的绘图功能和自定义功能可视化您的数据。
新创建情节实时编辑任务：向生成的绘图添加可视化 （R2021b）
以交互式创建绘图并生成代码 （R2021a）新的绘图表数据：通过将表直接传递到绘图功能（R2021b）创建散射图、气泡图和群图
新功能： 捕获和附加图形到现有的 PDF （R2021b）exportgraphics
气泡云功能：可视化部分到整体的关系（R2021a）
气泡图、气泡图3和极地气泡图功能：在2D、3D和极地坐标（R2020b）中创建气泡图
群图功能：可视化离散数据分布（R2020b）
出口图形和复制功能：保存和复制图形，改进对发布工作流程的支持 （R2020a）
瓷砖布局功能： 位置， 巢， 并改变布局的网格大小 （R2020a）大数据将分析扩展到大数据，而无需进行重大更改。
新数据商店性能：指定数据商店中的对象以提高性能 （R2021b）FileSet
数据商店：使用并行处理（R2021a）从数据商店读取所有数据：合并和转换数据商店 （R2019a）
数据商店写：在数据商店中写下大量数据集合，以磁盘进行数据工程和基于文件的工作流 （R2020a）
高阵列：在具有更多功能的高阵列上操作，包括：
groupfilter和 （2020a）matchessetdiff, xcorr,和 （2019b）outerjoingroupcounts, intersect,和 （2019a）svd自定义数据商店： 使用自定义数据商店框架 （R2019a） 从基于哈杜普的数据库中阅读
文件数据商店对象：通过在较小部分导入文件来读取大型自定义文件（R2019a）语言和编程使用新的数据类型和语言结构来编写更快、更清晰、更可维护的代码。
新背景池：异步执行功能，而不阻止 MATLAB （R2021b） 的命令提示
新的 pyrun和pyrunfile功能：运行 Python 命令和脚本从 MATLAB （R2021b）
新模块化索引：使用新的超级类（R2021b）单独定制类索引操作
名称=值语法：使用名称-价值语法用于任何使用名称-值参数（R2021a）的功能
类图查看器： 创建图形类图来探索类详细信息并共享设计 （R2021a）
模式对象： 创建字符串中的文本搜索模式 （R2020b）
函数输入参数验证： 声明功能输入参数以简化输入错误检查 （R2020b， R2019b）
性能MATLAB 运行代码的速度是六年前的两倍多。也没有必要更改单行代码。
新表索引：通过用卷曲大括号（R2021b）子脚本来分配元素时，性能提高
新的 qrinsert和qrdelete功能： 改进性能修改 QR 因子化 （R2021b）
应用中的新绘图：在 （R2021b） 中创建绘图的性能提高uifigure
稀疏矩阵乘法： 性能提高乘以大型稀疏矩阵 （R2021a）
稀疏线性系统：改进性能解决稀疏线性系统 A*X = B 与多钟 B （R2021a）
spdiags功能： 改进性能构建稀疏带状矩阵 （R2020b）
树功能： 在树上创建多个节点时性能提高 （R2020b）
剖析器： 使用火焰图 （R2020a） 直观地调查和提高代码的执行性能
现场编辑： 改进的性能在循环和动画情节 （R2020a） 软件开发软件开发工具可帮助您管理和测试代码、与其他软件系统集成，并将应用程序部署到云中。
新 MATLAB 在线： 使用 MATLAB 在线 （R2021b） 中的项目和 Git 进行协作
新单元测试框架：使用类模板更快、更准确地创建测试（R2021b）TestCase
在聚类和云层上并行运行测试 （R2020b）非过程 Python 执行：执行 Python 功能非过程，以避免库冲突 （R2019b）
项目：组织您的工作，自动化任务和流程，并与您的团队协作（R2019a）
C++界面： 调用 MATLAB （R2019a） 的呼叫C++库功能
MATLAB 的詹金斯插件：运行 MATLAB 测试，并以 Junit、TAP 和科伯图拉代码覆盖报告等格式生成测试报告
新的参考架构：在亚马逊网络服务 （AWS） 和微软 Azure 上部署和运行 MATLAB 控制硬件控制像阿杜伊诺和树莓派这样的流行微控制器，从摄像头获取图像，从无人机获取传感器和图像数据。
新阿杜伊诺：连接和控制阿尔杜伊诺板使用阿尔杜伊诺资源管理器应用程序 （R2021b）
使用纳米 33 BLE 感板 （R2021a）使用阿尔杜伊诺工程套件示例，包括在阿尔杜伊诺支持包 （R2021a） 中新传感器支持 ： 阅读连接到 Arduino （R2021b） 的 APDS9960 传感器的数据
使用 LSM 和 MPU 传感器与树莓派统一服务器 （R2021a）新树莓派：支持罐盾 （R2021b）
部署与统一服务器 （R2021a）在 MATLAB 在线硬件上部署 MATLAB 功能 （R2020b）获取网络摄像头图像实时编辑任务：互动捕捉网络摄像头图像（R2020b）新功能介绍https://ww2.mathworks.cn/help/relnotes/激光雷达工具箱设计、分析和测试激光雷达处理系统
RF 多氯联苯工具箱对印刷电路板进行电磁分析
R2021b 中的新增
信号完整性工具箱模拟和分析高速串行和并行链接
R2021b 中的新增
模拟链接代码检查器自动化和管理安全标准的源代码审查
模拟链接控制设计将模型和设计控制系统线性化
符号数学工具箱执行符号数学计算
波莱特工具箱使用波片分析和合成信号和图像System Requirements:OS:Windows 10 (version 1803 or higher)/Windows 7 Service Pack 1/Windows Server 2016/Windows Server 2019CPU:Minimum:Any Intel or AMD x64 processor/RecommendedAny Intel or AMD x64 processor with four logical cores and AVX2 instruction setsupportDisk:Minimum:2 GB of HDD space for MATLAB only, 4-6 GB for a typical installation / Recommended:An SSD is recommended A full installation of all MathWorks products may take up to 32GB of disk spaceRAM:Minimum:4 GB / Recommended:8 GBGPU:-No specific graphics card is required.-Hardware accelerated graphics card supporting OpenGL 3.3 with 1GB GPU memory is recommended.-GPU acceleration using the Parallel Computing Toolbox requires a CUDA GPU-For Polyspace, 4 GB per core is recommended Product: Mathworks MatlabVersion: R2021b Update 3 (9.11.0.1873467)Supported Architectures: x64Website Home Page : www.mathworks.comLanguages Supported: englishSystem Requirements: Windows / macOs / Linux *Size: 70.5 GbHome Page - https://www.mathworks.com/ win、mac、linux
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