Writing Fast MATLAB Code

Speed up your project with this collection of techniques.
Updated 10 Feb 2009

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Editor's Note: This file was selected as MATLAB Central Pick of the Week Popular File 2008

Learn how to use the Profiler tool, vectorized functions, and other tricks to writing efficient MATLAB code. This article includes how to convert any array into a column vector, bounding a value without if statements, and repeating/tiling a vector without repmat.

* Introduction
* The Profiler
* Array Preallocation
* JIT Acceleration
* Vectorization
* Inlining Simple Functions
* Referencing Operations
* Solving Ax=b
* Numerical Integration
* Signal Processing
* Miscellaneous Tricks
* Further Reading

Cite As

Pascal Getreuer (2024). Writing Fast MATLAB Code (https://www.mathworks.com/matlabcentral/fileexchange/5685-writing-fast-matlab-code), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2008b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes

Updated for R2008b, new introduction and added Ax=b section

Updates for MATLAB 7, including a new section on JIT