MATLAB

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What's New in MATLAB

New tools for preprocessing and analyzing data, writing scripts and algorithms, building apps, and team-based software development.

And by the way, MATLAB is faster than ever. Take a closer look.

What are Live Editor Tasks?
Projects: Organize Your Work, Automate Tasks and Processes, and Collaborate with Your Team
Validating Function Inputs

Environment

              Editor: Use new capabilities for code refactoring and block editing, and improved code suggestions, code completion, and debugging (R2021b)

              Live Editor Controls: Set default values for sliders, drop-down lists, check boxes, and edit fields (R2021b)

  • Create dynamic controls in live scripts by linking variables to drop-down items and slider values (R2021a)

              Live Editor Animations: Use interactive interface to control animations (R2021a) and export them to movies or animated GIFs (R2021b)

Live Editor Fonts: Change the name, style, size, and color of fonts programmatically using settings (R2021a)

Live Editor Bookmarks: Navigate quickly between lines (R2021a)

Live Editor on iOS: Create, edit, and run live scripts in MATLAB Mobile on iPhones and iPads (R2020b)

Live Editor Tasks: Explore parameters, see results, and automatically generate code (R2020a, R2019b)

>>See all MATLAB environment enhancements

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What is the Live Editor?

App Building

App Designer lets you create professional apps without having to be a professional software developer.

               Run Code in the Background: Use parallel language to create more responsive apps (R2021b)

               addStyle Function: Add styles to nodes and levels in a tree UI component (R2021b)

               App Designer: Use tools and shortcuts from Live Editor in Code View (R2021b)

  • Zoom and pan in the Design View canvas (R2021a)

uihyperlink Function: Add and configure clickable links in apps and on the App Designer canvas (R2021a)

uitree Function: Add and configure check box trees in apps and on the App Designer canvas (R2021a)

scroll Function: Scroll to a location within a table UI component programmatically (R2021a)

Icon Property: Specify custom icons for UI figure windows and toolbar push and toggle tools (R2020b)

Comparison Tool: Use diff and merge App Designer apps (R2020b)

Custom UI Components: Create your own class to make composite UI components that encapsulate algorithms, as well as graphics and UI objects (R2020b)

exportapp and getframe Functions: Capture and save an image of an app (R2020b)

>>See all app building enhancements

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Getting Started with App Designer

Data Import and Analysis

Access, organize, clean, and analyze data from a variety of sources.

               File I/O: Read and write XML, HTML, and Microsoft Word files directly into table, timetable and structs (R2021b, R2021a, R2020b)

 

               sftp Function: Connect and read data securely from SFTP servers (R2021b)

 

              Live Editor Tasks: Interactively summarize, transform, and filter groups of data (Compute by Group); center and scale data (Normalize) (R2021b)

  • Manipulate tables and timetables with tasks that automatically generate MATLAB code (R2020a)

  • Interactively preprocess data (R2019b)

              trenddecomp Function: Find long-term and seasonal trends in data (R2021b)

              timeseries2timetable Function: Convert timeseries objects to timetables (R2021b)

              HDF5: Support for HDF5 version 1.10, including Single-Writer/Multiple-Reader (SWMR), Virtual Dataset (VDS), and Metadata Cache Fine-Tuning (R2021b)

              NetCDF: Support for NetCDF version 4.7.4, including reading and writing NC_STRING data (R2021b)

MATLAB API for Advanced XML Processing: Create, transform, and query XML files using MATLAB API for XML Processing (R2021a

>>See all data import and analysis enhancements

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Data Visualization

Visualize your data with new plotting functions and customization capabilities

              Create Plot Live Editor Task: Add visualizations to generated plots (R2021b)

  • Create plots interactively and generate code (R2021a)

 

              Plotting Table Data: Create scatter plots, bubble charts, and swarm charts by passing tables directly to plotting functions (R2021b)

              exportgraphics Function: Capture and append graphics to existing PDFs (R2021b)

bubblecloud Function: Visualize part-to-whole relationships (R2021a)

bubblechart, bubblechart3, and polarbubblechart Functions: Create bubble charts in 2D, 3D, and polar coordinates (R2020b)

swarmchart Function: Visualize distributions of discrete data (R2020b)

exportgraphics and copygraphics Functions: Save and copy graphics with improved support for publishing workflows (R2020a)

tiledlayout Function: Position, nest, and change the grid size of layouts (R2020a)

>>See all data visualization enhancements

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Plot Geographic Data on a Map in MATLAB

Big Data

Expand your analysis to big data without making big changes.

              Datastore Performance: Specify FileSet object in datastores for increased performance (R2021b)

Datastores: Read all data from a datastore using parallel processing (R2021a); combine and transform datastores (R2019a)

Datastore Write: Write large collections of data in datastores out to disk for data engineering and file-based workflows (R2020a)

tall Arrays: Operate on tall arrays with more functions, including:

  • groupfilter and matches (2020a)

  • setdiff, xcorr, and outerjoin (2019b)

  • groupcounts, intersect, and svd (2019a)

Custom Datastore: Read from Hadoop-based databases using the custom datastore framework (R2019a)

FileDatastore Object: Read large custom files by importing the file in smaller portions (R2019a)

>>Learn more about Big Data with MATLAB

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Language and Programming

Use new data types and language constructs for writing faster, clearer, and more maintainable code. 

               backgroundPool: Execute a function asynchronously without blocking the command prompt from MATLAB (R2021b)

 

               pyrun and pyrunfile Functions: Run Python commands and scripts from MATLAB (R2021b)

               Modular Indexing: Customize class indexing operations individually using new superclasses (R2021b)

name=value syntax: Use name=value syntax for any function using name-value arguments (R2021a)

Class Diagram Viewer: Create graphical class diagrams to explore class details and share designs (R2021a)

pattern Object: Create patterns for text searching in strings (R2020b)

Function Input Argument Validation: Declare function input arguments to simplify input error checking (R2020b, R2019b)

>>See all language and programming enhancements

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Performance

MATLAB runs your code more than twice as fast as it did just six years ago. And there’s no need to change a single line of code.

               table Indexing: Improved performance when assigning elements by subscripting with curly braces (R2021b)

               qrinsert and qrdelete Functions: Improved performance modifying QR factorizations (R2021b)

               Plots in Apps: Improved performance for creating plots in uifigure (R2021b)

Sparse Matrix Multiplication: Improved performance multiplying large sparse matrices (R2021a)

Sparse Linear Systems: Improved performance solving sparse linear systems A*X = B with multicolumn B (R2021a)

spdiags Function: Improved performance constructing sparse banded matrices (R2020b)

uitree Function: Improved performance when creating many nodes in a tree (R2020b)

Profiler: Investigate and improve the execution performance of your code visually using flame graphs (R2020a)

Live Editor: Improved performance in loops and animated plots (R2020a)

>>See all performance enhancements

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Software Development

Software development tools help you manage and test your code, integrate with other software systems, and deploy your applications to the cloud.

              MATLAB Online: Collaborate using projects and Git in MATLAB Online (R2021b)

              Unit Testing Framework: Use the TestCase class template to create tests more quickly and accurately (R2021b)

  • Run tests in parallel on clusters and clouds (R2020b)

Out-of-Process Python Execution: Execute Python functions out-of-process to avoid library conflicts (R2019b)

Projects: Organize your work, automate tasks and processes, and collaborate with your team (R2019a)

C++ Interface: Call C++ library functions from MATLAB (R2019a)

Jenkins Plugin for MATLAB: Run MATLAB tests and generate test reports in formats such as JUnit, TAP, and Cobertura code coverage reports

New Reference Architectures: Deploy and run MATLAB on Amazon Web Services (AWS) and Microsoft Azure

          

>>See all software development and external language interface enhancements

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Controlling Hardware

Control popular microcontrollers like Arduino and Raspberry Pi, acquire images from webcams, and acquire sensor and image data from drones.

              Arduino: Connect and Control Arduino board using the Arduino Explorer app (R2021b)

  • Use Nano 33 BLE Sense board (R2021a)

  • Use Arduino Engineering Kit examples included in Arduino support package (R2021a)

              Sensor Support: Read data from APDS9960 sensor connected to Arduino (R2021b)

  • Use LSM and MPU sensors with Raspberry Pi unified server (R2021a)

              Raspberry Pi: Support for CAN shields (R2021b)

  • Deploy with unified server (R2021a)

  • Deploy MATLAB function on hardware from MATLAB Online (R2020b)

Acquire Webcam Image Live Editor Task: Interactively capture webcam images (R2020b)

          

>>See all MATLAB hardware support enhancements

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Understand sensor measurements with the Arduino Explorer app.
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