Training - Courses

MLEX: Interfacing MATLAB with C Code

This one-day course focuses on interfacing MATLAB® with user-written C code. Through hands-on examples and exercises, the course explores generating MEX-files to incorporate external C code in MATLAB applications and calling MATLAB code from C applications. At the end of this course, attendees will be able to:

Write and compile source MEX files
Pass data between MATLAB and MEX files
Call MATLAB code from C code using the engine interface
Identify the proper approach for interfacing MATLAB with C code

Note: A 1 hour test session will be scheduled one day prior to the first day of class. This session is to verify that the visual and audio connection is working properly on your computer. The required product software should be installed for the test session. It is highly recommended that you attend this session to ensure a successful and timely class start.

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	Detailed course outline

Day 1
MEX-File Overview	Objective: Identify required components of a MEX-file and set up the environment for producing MEX-files. Introduction to MEX-files Applications of MEX-files Components of a MEX-file Setting up MATLAB to compile MEX-files Building and running a MEX-file
MEX-Files with Inputs and Outputs	Objective: Create MEX-files with inputs and outputs for interacting with MATLAB environment. Data flow in MEX-files MATLAB data The mxArray class Working with pointers Working with mxArray API functions Working with strings When to use MEX-files Handling data
MEX-File Interface Considerations	Objective: Display diagnostic messages and manage memory in MEX-files. Displaying diagnostic messages Memory allocation and deallocation Preventing memory leaks Working with input and output memory Debugging MEX-files
Calling MATLAB from C Code	Objective: Call the MATLAB engine from a C application to evaluate MATLAB expressions and transfer data between the C application and the MATLAB engine. Introduction to the MATLAB engine Data flow in MATLAB engine applications Calling the MATLAB engine Compiling and running MATLAB engine applications

Prerequisites

Familiarity with terminology and concepts related to programming in C (especially pointers). Experience with MATLAB is recommended.

Course Length - 1 day