R2015b Release Highlights

Release 2015b includes:

  • Major release of MATLAB, with a new execution engine
  • New Simulink Scope UI to improve viewing and debugging of signals
  • Updates to 83 other products

MATLAB Product Family


  • New execution engine that runs MATLAB® code faster
  • Graph and directed graph functions for creating, analyzing, and visualizing graphs and networks
  • Add-On Explorer — a single interface for adding community-authored and MathWorks® toolboxes, apps, functions, models, and hardware support
  • Hardware support for iOS sensors, Raspberry Pi™ 2, and BeagleBone Black


  • Deployable MATLAB components for integration with applications written in Python®

Statistics and Machine Learning Toolbox

  • SVR (support vector regression) and Gaussian processes (Kriging) for fitting models, PCA feature transformation in the Classification Learner app, and GPU acceleration of 65 functions

Parallel Computing Toolbox

  • GPU acceleration for functions in Statistics and Machine Learning Toolbox™ including probability distributions, descriptive statistics, and hypothesis testing; and additional MATLAB functions

Image Processing Toolbox

  • Gabor and box filtering, C code generation for 20 functions with MATLAB Coder™, and improved grayscale morphology and filtering performance

Computer Vision System Toolbox

  • 3-D point cloud processing, including geometric shape fitting, normal vector estimation and visualization

Database Toolbox

  • Faster database read and write

Control System Toolbox

  • 2-DOF PID controller tuning

Robust Control Toolbox

  • Robust tuning with systune and Control System Tuner app for automatically tuning robust controllers for plants with uncertain parameters

Signal Processing and Communications

Antenna Toolbox

  • Analysis of infinite arrays and visualization of E-H fields

LTE System Toolbox

  • Release 12 downlink 256 QAM modulation for small cells, Release 11 multicell zero power CSI-RS patterns, and enhanced waveform generation

Simulink Product Family


  • New UI in scopes for viewing and debugging signals with cursors and measurements
  • Referenced projects for creating reusable components and simplifying large modeling projects
  • Always-on tuning of block parameters and workspace variables during simulation
  • Multilingual block names, signal names, and MATLAB Function comments for use across Simulink®, Stateflow® and Simulink Coder


  • Messages — new objects that carry data and that can be queued


  • Two-Phase Fluid block library and simulation speed improvements for switched-linear systems

Simulink Design Optimization

  • Faster parameter estimation and response optimization with Simulink Fast Restart

Code Generation


  • C code generation for cell arrays

Embedded Coder

  • Quick configuration of models to generate efficient, reusable code

HDL Coder

  • Run-time hardware parameter tuning for Xilinx® Zynq® and Altera® SoC FPGA using AXI4 interface

Simulink PLC Coder

  • Code generation for Siemens® TIA Portal IDE, and support for global variables in Siemens TIA Portal and STEP® 7 IDEs

Verification and Validation

Simulink Design Verifier

  • C code S-function analysis and Model Advisor run-time error checks

Simulink Test

  • Creation of test cases with inputs generated by Simulink Design Verifier™, and tool qualification with DO Qualification Kit and IEC Certification Kit

Polyspace Bug Finder

  • Security checks to detect code vulnerabilities, and on-the-fly display of results

Release Notes by Product

Indicates major update

Polyspace® Product Family