MathWorks MATLAB R2023a Update 1 (9.14.0.2239454)

R2023a Release What's New
MATLAB Test enables engineers and researchers to develop, execute, measure and manage dynamic tests of MATLAB code at scale. The new product helps organize and manage projects' tests and results by enabling organizations to group, save and run custom test suites. To optimize productivity, engineers and researchers can identify untested code paths using industry-standard code coverage metrics, such as condition, decision, and modified condition/decision coverage (MC/DC). MATLAB Test users can also use the product's project-based quality dashboard to create an interactive, graphical summary of code quality metrics and clickable details for code analysis, code coverage, test results and requirements to raise the visibility of code readiness to an intuitive summary level.
R2023a also features the new C2000 Microcontroller Blockset that designs, simulates, and implements applications for Texas Instruments C2000 microcontrollers. The blockset enables engineers and researchers to model digital power conversion and motor control applications. The product also includes peripheral blocks, such as digital IO, ADC and ePWM, to perform simulations of control algorithms that require ADC-PWM synchronization in industrial and automotive applications using C2000 motor control units.
R2023a also includes major updates to popular MATLAB and Simulink tools, including:
- Aerospace Blockset provides Simulink reference examples and blocks for modeling, simulating and analyzing high-fidelity aircraft, rotorcraft and spacecraft platforms. The blockset includes vehicle dynamics, validated models of the flight environment, and blocks for pilot behavior, actuator dynamics and propulsion.
- Communications Toolbox provides algorithms and apps for the analysis, design, end-to-end simulation and verification of communications systems. Toolbox algorithms include channel coding, modulation, MIMO and orthogonal frequency division multiplexing, enabling engineers and researchers to compose and simulate a physical layer model of their standard-based or custom-designed wireless communications system.
- Powertrain Blockset provides preassembled automotive vehicle reference applications for engineers and researchers using Model-Based Design for gasoline, diesel, hybrid, fuel cell and battery electric propulsion systems. The product includes a component library for engines, traction motors, batteries, transmissions, tires, driver models and component and supervisory controllers.
- Vehicle Dynamics Blockset provides preassembled automotive vehicle dynamics reference applications for passenger cars, trucks and two-wheelers. The blockset includes a component library for propulsion, steering, suspension, vehicle body, brakes, tires, driver models and component and supervisory controllers.

Environment
- MATLAB Install: Reduce footprint using default installation without local documentation
- Editor: Interactively increment numeric values within section and run section after every change
- Live Editor Controls: Add file browser to select file interactively in live script
- Live Editor Controls: Align controls within a section when code is hidden
- Desktop Layout in MATLAB Online: Access desktop tools and change the desktop layout using sidebars
- Code Issues Tool in MATLAB Online: Check code for errors and warnings using Code Issues tool
- Find Files Tool in MATLAB Online: Search for files with improved Find Files tool
- Editor in MATLAB Online: Edit read-only files
- Search in MATLAB Online: Access videos using Search box
- System Command Functions: Set and get multiple variables using operating system commands
- loadenv Function: Load environment variables from .env and plain text files
- Comparison Tool: Save text comparison results as PDF or DOCX reports programmatically and interactively
- Toolbox Packaging: Specify packaging options when creating custom toolbox programmatically
- Functionality being removed or changed
Language and Programming
- Code Analyzer: Enable custom checks and configure existing checks
- fix Function: Fix code issues from the command line
- Code Analyzer App: Apply fixes to code issues interactively
- dictionary Object: Access and assign dictionary cell values with curly braces
- Output Argument Validation: Debug within output argument blocks
- Functionality being removed or changed
Data Analysis
- pivot Function: Summarize tabular data using pivot table
- table and timetable Data Types: Perform calculations directly on tables and timetables without extracting their data
- Timetable Events: Find and label events in timetables using attached event tables
- combinations Function: Generate all element combinations of arrays
- fillmissing2 Function: Fill missing entries in two-dimensional data
- fillmissing Function: Use values from nearest neighbors to fill missing data
- Descriptive Statistics and Arithmetic: Omit or include missing data of multiple data types
- Find and Remove Trends Live Editor Task: Interactively find and remove periodic and polynomial trends
- Data Cleaner App: Save session as MAT-file and reload session
- head and tail Functions: Get top or bottom rows of array
- groupsummary Function: Compute number of unique elements
- movevars Function: Move table variables after last variable without After name-value argument
- rowfun and varfun Functions: OutputFormat name-value argument can take "auto" as value
- day Function: Return ISO day of week
- week Function: Return ISO week of year or week of month
- Variables Editor: Edit categories of categorical table variable in MATLAB Online
Data Import and Export
- Import Data Live Editor Task: Import data in live scripts
- audiowrite Function: Write MP3 audio files
- imfinfo Function: Get information about XMP metadata embedded in JPEG files
- Parallel Processing: Use readtable in thread-based environments
- Scientific File Format Libraries: CDF library upgraded to version 3.8.1
- Scientific File Format Libraries: CFITSIO library upgraded to version 4.1.0
- Functionality being removed or changed
Mathematics
- MATLAB Support Package for Quantum Computing: Build, simulate, and run quantum algorithms
- pageeig Function: Perform eigenvalue decomposition on pages of N-D arrays
- randi Function: Create random logical array
- Functionality being removed or changed
Graphics
- xregion and yregion Functions: Highlight horizontal or vertical regions of Descriptions
- sky Function: Apply monochromatic colormap to charts
- tiledlayout Function: Create horizontal or vertical layouts
- animatedline Function: Create animated lines using numeric, datetime, or duration data
- Grid Lines: Customize grid line thickness
- Axes Labels: Rotate x- and y-axes labels without overlapping the axes
- Descriptionting Series of Lines: Control cycling order of line styles
- Descriptionting Series of Lines: Control whether the data range of a line affects automatic axes limits
- fontsize and fontname Functions: Optionally specify the object containing the text
- DatetimeRuler Object: Set or get the reference date for Descriptionting datetime values
- Image Display Preferences: Access and update imshow preferences in MATLAB Online
- Functionality being removed or changed
App Building
- addStyle Function: Add styles to items in list box or drop-down UI component
- uistack Function: Change stacking order of UI components in UI figure
- uipanel and uibuttongroup Functions: Specify container border color
- uihtml Function: Send events between MATLAB and HTML
- uiimage Function: Specify image alt text for use with screen readers
- appmigration.migrateGUIDEApp Function: Programmatically migrate existing GUIDE apps to App Designer
- App Designer: View progress when loading an app
- App Designer: Add label to unlabeled UI component
- App Designer: Replace assigned callback with new callback
- App Testing Framework: Test context menus within labels
- Axes Interactions: Customize behavior of interactions with axes view
- Descriptions in Apps: Enable data cursor mode
- Descriptions in Apps: Specify axes for interaction mode
- Functionality being removed or changed
Performance
- Language and Programming: Improved performance when calling functions and methods
- Function Handles: Improved performance when invoking handles to named functions
- varargin Argument: Improved performance when specifying zero or more inputs
- timetable Data Type Indexing: Improved performance when subscripting with times or with withtol subscript
- Complex Matrices: Improved performance when using colon indexing to copy complex matrices
- mean, std, var, and rmse Functions: Improved performance when computing along default vector dimension
- Moving Statistics Functions: Improved performance when computing over matrix with sample points
- histcounts Function: Improved performance with small numeric and logical input data
- fzero function: Improved performance
- Descriptions in Apps: Improved performance when rerendering axes
- Descriptions in Apps: Improved performance when creating axes
- Descriptions in Apps: Improved responsiveness of ruler-pan interaction
- Live Editor: Improved performance when filtering numeric table variables
- Property Inspector: Improved performance when opening for the first time
- Property Inspector: Improved performance when switching between objects
- Variables Editor: Improved performance of cell editing in MATLAB Online
- Variables Editor: Improved speed of data display when scrolling in MATLAB Online
- App Building: Improved app startup performance
- App Building: Improved startup performance for apps with multiple tabs
- App Building: Improved performance when resizing some apps
Software Development Tools
- Build Automation: Improve build speed and efficiency with incremental builds
- Build Automation: Create and run tasks that accept arguments
- Dependency Analyzer: Analyze files and folders with or without a project
- Project Preferences: Preserve empty project folders in Git repositories
- Project API: Determine if file is under project root folder
- Project API: Export subset of project files to archive
- Project Sharing: Include only specific files in project archive using export profile
- Comparison Tool: Automate comparison report generation for continuous integration (CI) workflows
- Source Control in MATLAB Online: Save uncommitted changes by creating a Git stash
- Source Control in MATLAB Online: Manage Git remote repositories locally using Branch Manager
- Source Control in MATLAB Online: Detect and extract conflict markers from text and binary files
- Comparison Tool in MATLAB Online: Compare project definition files
- Dependency Analyzer in MATLAB Online: Investigate circular dependencies using the Project Hierarchy view
- Unit Testing Framework: Run tests interactively by using Test Browser
- Unit Testing Framework: Programmatically access code coverage results
- Unit Testing Framework: Temporarily set environment variables
- Unit Testing Framework: Test for handle validity
- Unit Testing Framework: Write text to files in thread-based environment
- Unit Testing Framework: Use renamed classes in testing and other automated workflows
- App Testing Framework: Test context menus within labels
- Performance Testing Framework: Use fewer samples to meet the objective margin of error
- Functionality being removed or changed
External Language Interfaces
- Publish C++ Interface: Publish interface for C++ library in Live Editor
- Interface to C++ Library: Execute C++ library functions out-of-process
- Interface to C++ Library: Support for default arguments
- Interface to C++ Library: Support for comments in function templates
- Publish C++ Interface: Put libraries on run-time path
- Publish C++ Interface: Resolve multiple redefinition and unresolved external symbol errors
- Publish C++ Interface: Information to debug C++ library functions
- Publish C++ Interface: Support for MATLAB operators for C++ methods
- Java Interface: Support for Java 11 JDK and JRE
- Java Interface: jenv and matlab_jenv provide environment information
- Python Interface: Convert between MATLAB datetime and Python datetime, NumPy datetime64 types
- Python Interface: Convert between MATLAB duration and Python timedelta, NumPy timedelta64 types
- Python Objects: Use Python objects as keys in dictionary
- .NET Interface: Convert between MATLAB dictionary and .NET System.Collections.Generic.Dictionary objects
- .NET Objects: Use .NET objects as keys in dictionary
- .NET Engine: Support for MATLAB structs
- Perl 5.36.0: MATLAB support on Windows
- Compiler support changed for building C and C++ interfaces, MEX files, and standalone MATLAB engine and MAT-file applications
- Functionality being removed or changed
Hardware Support
- Support for MJPEG format in USB Webcams on Windows
- Support for 32-bit Debian Bullseye on Raspberry Pi
- Support for Raspberry Pi Zero 2 W and Raspberry Pi Compute Module 4

MATLABis a programming and numeric computing platform used by millions of engineers and scientists to analyze data, develop algorithms, and create models.
Discover What's New: R2023a Release Highlights for MATLAB and Simulink
MathWorksis the leading developer of mathematical computing software. MATLAB, the language of engineers and scientists, is a programming environment for algorithm development, data analysis, visualization, and numeric computation. Simulink is a block diagram environment for simulation and Model-Based Design of multidomain and embedded engineering systems. Engineers and scientists worldwide rely on these product families to accelerate the pace of discovery, innovation, and development in automotive, aerospace, electronics, financial services, biotech-pharmaceutical, and other industries. MATLAB and Simulink are also fundamental teaching and research tools in the world's universities and learning institutions. Founded in 1984, MathWorks employs more than 5000 people in 16 countries, with headquarters in Natick, Massachusetts, USA.