MathWorks MATLAB R2023b

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MATLAB & Simulink R2023b Overview

R2023b (version 23.2), released in September 2023, is the second MathWorks update of the year. It introduced new tools for testing and safety analysis, enhancements to AI and simulation workflows, expanded toolbox functionality, and improved support for modern computing environments.

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New Products

• Polyspace Test – A dedicated framework for developing, managing, and executing tests on C and C++ embedded code. Supports stubs and mocks, host and target testing, automation, and requirements traceability.
• Simulink Fault Analyzer – Enables simulation-based fault injection and safety analysis (such as FMEA) without modifying system models. Supports timed or condition-triggered faults and integrates with requirements to trace hazards and mitigation logic.

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Major Toolbox & Blockset Enhancements

• Aerospace Toolbox – Tools for orbit propagation, constellation visualization, line-of-sight, and eclipse analysis.
• Datafeed Toolbox – Support for retrieving historical and market data via Bloomberg’s modern API.
• DO Qualification Kit – Extended support for qualifying Polyspace Test to DO-178C and DO-330 aerospace standards.
• Predictive Maintenance Toolbox – Physics-based feature extraction for motors and rotating machinery.
• Signal Integrity Toolbox – Automates simulations and data analysis directly from MATLAB.
• Simulink Desktop Real-Time – Adds real-time test execution from Linux desktops.
• Wavelet Toolbox – Expanded app support for time-frequency analysis and automatic feature extraction for AI.
• Wireless HDL Toolbox – Enhanced for FPGA/ASIC design of 5G, WLAN, satellite, and custom OFDM subsystems.

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MATLAB & Live Editor Enhancements

• Improved performance on Apple silicon Macs with better speed and battery life.
• Experiment Manager App – Central tool for designing, running, and comparing experiments.
• Live Editor improvements, including:
  • Create tasks from selected code
  • Tables with images and formatted text
  • Interactive controls (color pickers, state buttons)
  • Export live scripts and functions to Markdown or Jupyter notebooks
  • Pivot Table tasks for interactive data summarization
  • Build automation using predefined tasks

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Simulink Workflow Enhancements

• Signal Editor – Copy and paste signal data to and from Excel.
• Simulation I/O – Import and export signals using MDF files.
• Source control APIs – Programmatic Git integration within Simulink.
• Unbounded data support – Simulate and generate C++ code for signals with dynamic sizes.
• FMU Import Block – Support for Functional Mock-up Units conforming to FMI 3.0.

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Usability & Developer Improvements

• New MATLAB functions:
  • resize, paddata, and trimdata for handling array and data resizing
  • svdappend for appending singular values (useful in PCA updates)
• Simulink interface updates:
  • Variant subsystems show active content when opened
  • Updated timing legend with clearer visuals
  • Visual connectors for State Reader/Writer and Data Store blocks
  • Dockable Type Editor within the canvas
  • Model Finder UI (modelfinderui) for searching and managing example models