MATLAB 2021b Free Download: What You Need to Know
If you are a scientist, engineer, or student who needs a powerful and versatile tool for data analysis, visualization, simulation, and algorithm development, you might want to consider downloading MATLAB 2021b. MATLAB is a popular programming environment that combines a high-level language with a rich set of libraries and functions for various domains and applications. MATLAB 2021b is the latest release of MATLAB that offers hundreds of new and updated features and functions, along with two new products and five major updates. In this article, we will explore the features, system requirements, download options, and benefits of MATLAB 2021b, and answer some frequently asked questions about this release.
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Features of MATLAB 2021b
MATLAB 2021b introduces many new capabilities that can help you improve your productivity and performance, as well as integrate with other tools and platforms. Here are some of the highlights of the new features in MATLAB 2021b:
Code Refactoring and Block Editing
The MATLAB Editor now supports code refactoring and block editing, which can help you write cleaner and more efficient code. Code refactoring allows you to automatically rename variables, functions, or files, extract code segments into functions or scripts, or convert scripts into live scripts or functions. Block editing enables you to select and edit multiple lines of code at once, insert or delete text or comments, or indent or unindent code blocks.
Python Interface
You can now run Python commands and scripts from MATLAB using the new pyenv function. This function allows you to manage multiple Python environments, specify the Python executable path, or install Python packages. You can also use the py module to access Python objects and functions from MATLAB.
BackgroundPool
The new BackgroundPool object allows you to run MATLAB functions on a background thread without blocking the main MATLAB thread. This can be useful for performing tasks such as data acquisition, file I/O, or web requests without interrupting your workflow. You can also monitor the progress and status of the background tasks using the wait , fetchNext , or fetchOutputs methods.
Live Editor Tasks
The Live Editor now supports interactive tasks that can help you perform common data analysis operations without writing code. For example, you can use the Compute by Group task to summarize, transform, or filter groups of data based on one or more variables. You can also use the Normalize Data task to center and scale data using different methods such as z-score or min-max normalization.
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HDF5 Support
MATLAB now supports HDF5 version 1.10, which introduces new features such as Single-Writer/Multiple-Reader (SWMR), Virtual Dataset (VDS), and Metadata Cache Fine-Tuning. These features can improve the performance and flexibility of reading and writing HDF5 files. You can use the h5create , h5read , h5write , h5info , and h5disp functions to work with HDF5 files in MATLAB.
New Apps and Functions
MAT MATLAB 2021b also introduces two new products and five major updates to existing products. The new products are:
MATLAB Web App Server: This product allows you to host and share MATLAB web apps with your colleagues or customers without requiring them to install MATLAB or any other software. You can use the appdesigner function to create web apps in MATLAB and then deploy them to the MATLAB Web App Server using the webAppDeployer function.
Simulink Compiler: This product enables you to generate standalone applications, web apps, or software components from your Simulink models. You can use the Simulink Compiler app or the slcompiler function to compile your models and then distribute them to users who do not have MATLAB or Simulink installed.
The updated products are:
Parallel Computing Toolbox: This product now supports running parallel code on NVIDIA GPUs using the CUDA toolkit version 11.4. You can use the gpuArray , gpuDevice , or gpuFunction functions to work with GPU arrays and functions in MATLAB. You can also use the parfeval or parfevalOnAll functions to execute functions asynchronously on a GPU.
Statistics and Machine Learning Toolbox: This product now supports several new machine learning algorithms and features, such as Gaussian mixture models, Bayesian optimization, feature selection, and ensemble learning. You can use the fitgmdist , bayesopt , fscnca , or fitcensemble functions to train and evaluate these models in MATLAB.
Optimization Toolbox: This product now supports mixed-integer linear programming (MILP) problems, which involve optimizing a linear objective function subject to linear constraints and integer variables. You can use the intlinprog function to solve MILP problems in MATLAB.
Signal Processing Toolbox: This product now supports several new signal processing algorithms and features, such as adaptive filters, spectral entropy, phase vocoder, and time-frequency analysis. You can use the adaptfilt , pentropy , pvoc , or tfridge functions to perform these operations in MATLAB.
Image Processing Toolbox: This product now supports several new image processing algorithms and features, such as image registration, image segmentation, image enhancement, and image quality metrics. You can use the imregcorr , activecontour , adapthisteq , or ssim functions to perform these operations in MATLAB.
System Requirements for MATLAB 2021b
Before you download MATLAB 2021b, you should make sure that your system meets the minimum requirements for running this release. Here are the system requirements for MATLAB 2021b:
Operating System
MATLAB 2021b supports the following operating systems:
Windows 10 (version 1809 or later)
macOS Big Sur (version 11)
Linux (Ubuntu 20.04 LTS, Red Hat Enterprise Linux 8.3, SUSE Linux Enterprise Desktop 15 SP2)
Processor
MATLAB 2021b requires a minimum of a 64-bit processor that supports SSE2 instruction set. For optimal performance, a multicore processor is recommended.
RAM
MATLAB 2021b requires a minimum of 4 GB of RAM. For handling large data sets or running parallel computations, 8 GB or more of RAM is recommended.
Storage
MATLAB 2021b requires a minimum of 6 GB of free disk space for installation. For storing additional data and files, more disk space is recommended.
Graphics
MATLAB 2021b requires a graphics card that supports OpenGL 3.3 or higher with at least 512 MB of memory. For using GPU computing features, a NVIDIA GPU that supports CUDA Compute Capability 3.0 or higher is required.
Download Options for MATLAB 2021b
If you have a valid license for MATLAB 2021b, you can download it from the MathWorks website using one of the following options:
Standard Installation
This option allows you to download and install MATLAB 2021b using an interactive installer that guides you through the steps. You will need an internet connection and a MathWorks account to complete this option. To download and install MATLAB 2021b using the standard installation option, follow these steps:
Go to the and log in with your MathWorks account.
Select MATLAB 2021b from the list of available products and click the Download button.
Choose the platform (Windows, Mac, or Linux) that matches your system and click the installer file to start the download.
Run the installer file and follow the instructions on the screen to complete the installation. You will need to enter your MathWorks account information and your license number or activation key.
After the installation is complete, you can launch MATLAB 2021b from the Start menu (Windows), the Applications folder (Mac), or the command line (Linux).
Download Without Installing
This option allows you to download MATLAB 2021b as an ISO file that contains all the files and folders required for installation. You can use this option if you want to install MATLAB 2021b on multiple machines or offline. To download MATLAB 2021b as an ISO file, follow these steps:
Go to the and log in with your MathWorks account.
Select MATLAB 2021b from the list of available products and click the Download button.
Choose the platform (Windows, Mac, or Linux) that matches your system and click the ISO file link to start the download.
Save the ISO file to a location of your choice on your system.
To install MATLAB 2021b from the ISO file, you will need to mount it as a virtual drive or burn it to a DVD. You can then run the setup.exe (Windows), InstallForMacOSX.app (Mac), or install (Linux) file from the mounted or burned ISO file and follow the instructions on the screen to complete the installation.
File Installation Key
This option allows you to download MATLAB 2021b as a ZIP file that contains only the files required for installation. You can use this option if you have a File Installation Key (FIK) that was provided by your license administrator or MathWorks. To download and install MATLAB 2021b using a FIK, follow these steps:
Go to the and log in with your MathWorks account.
Select MATLAB 2021b from the list of available products and click the Download button.
Choose the platform (Windows, Mac, or Linux) that matches your system and click the ZIP file link to start the download.
Save the ZIP file to a location of your choice on your system and extract it.
Run the setup.exe (Windows), InstallForMacOSX.app (Mac), or install (Linux) file from the extracted ZIP file and follow the instructions on the screen to complete the installation. You will need to enter your FIK when prompted.
Noninteractive Installation
This option allows you to install MATLAB 2021b without any user interaction using a command line or a script. You can use this option if you want to automate or customize the installation process. To install MATLAB 2021b noninteractively, you will need to create an installer input file that specifies the installation options and parameters. You can then run the installer with the -inputFile option and provide the path to your installer input file. For more details on how to create and use an installer input file, see .
Benefits of MATLAB 2021b
MATLAB 2021b offers many benefits for users who want to take advantage of the latest features and functions in MATLAB. Here are some of the benefits of MATLAB 2021b:
Enhanced Productivity and Performance
MATLAB 2021b helps you improve your productivity and performance by providing new tools and capabilities that make your coding, debugging, testing, and deploying easier and faster. For example, you can use code refactoring and block editing to write cleaner and more efficient code, use BackgroundPool to run tasks on a background thread without blocking your main thread, use Live Editor Tasks to perform common data analysis operations without writing code, or use Simulink Compiler to generate standalone applications from your Simulink models.
Improved Compatibility and Integration
MATLAB 2021b helps you improve your compatibility and integration with other tools and platforms by providing new interfaces and support for various formats and standards. For example, you can use the Python interface to run Python commands and scripts from MATLAB, use the HDF5 support to read and write HDF5 files with new features, or use the Parallel Computing Toolbox to run parallel code on NVIDIA GPUs with the latest CUDA toolkit.
Access to New Products and Updates
MATLAB 2021b gives you access to new products and updates that can help you expand your capabilities and explore new domains and applications. For example, you can use the MATLAB Web App Server to host and share MATLAB web apps with your colleagues or customers, use the Statistics and Machine Learning Toolbox to train and evaluate new machine learning models, or use the Image Processing Toolbox to perform new image processing operations.
Conclusion and FAQs
MATLAB 2021b is a powerful and versatile tool that can help you perform data analysis, visualization, simulation, and algorithm development for various domains and applications. MATLAB 2021b offers hundreds of new and updated features and functions, along with two new products and five major updates. MATLAB 2021b also has enhanced productivity and performance, improved compatibility and integration, and access to new products and updates. If you want to take advantage of these benefits, you can download MATLAB 2021b from the MathWorks website using one of the download options that suits your needs. You can also check the system requirements for MATLAB 2021b before downloading it to make sure that your system meets the minimum requirements for running this release.
If you have any questions about MATLAB 2021b, you might find the answers in the following FAQs:
Q: How can I get a license for MATLAB 2021b?
A: You can get a license for MATLAB 2021b by purchasing it from the MathWorks website or contacting a MathWorks sales representative. You can also get a free trial license for MATLAB 2021b by requesting it from the MathWorks website. If you are a student or an educator, you can get a discounted license for MATLAB 2021b by verifying your academic status on the MathWorks website.
Q: How can I update my existing MATLAB installation to MATLAB 2021b?
A: You can update your existing MATLAB installation to MATLAB 2021b by using the Add-On Explorer in MATLAB or the Add-On Manager on the MathWorks website. You can also download and install MATLAB 2021b as a separate installation and switch between different versions of MATLAB using the matlabroot function.
Q: How can I get help or support for MATLAB 2021b?
A: You can get help or support for MATLAB 2021b by using the Help Browser in MATLAB, which provides access to documentation, examples, videos, webinars, forums, blogs, and other resources. You can also contact MathWorks Technical Support by submitting a service request on the MathWorks website or calling the phone number provided on the website.
Q: How can I learn more about MATLAB 2021b?
A: You can learn more about MATLAB 2021b by visiting the , which showcases some of the highlights of MATLAB 2021b.
Q: How can I provide feedback or suggestions for MATLAB 2021b?
A: You can provide feedback or suggestions for MATLAB 2021b by using the Feedback button in MATLAB, which allows you to rate your experience, report bugs, request features, or share ideas. You can also use the community platform, which allows you to interact with other MATLAB users, ask questions, answer questions, share files, or join groups. 44f88ac181