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Fast Parameter Loading for MATLAB/Simulink

by Robyn Jackey

 

07 May 2007 (Updated 01 Dec 2009)

A method for caching M-file parameters in MAT format, allowing for quick loading.

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Description

M-files are the preferred method for defining parameters for a Simulink model, because it is a readable option. However, loading parameters from M-scripts takes longer to run than loading from a binary MAT-file. Loading parameters for large Simulink models can therefore take a significant time to run.

It is possible to combine the speed of saving parameters in MAT format with the versatility of entering parameters in M-script format. The M-script can be used as the ?master? copy of the parameters, and the parameters can be cached into a MAT-file when they are loaded. This functionality can be accomplished by using a function that compares the timestamp of an M-script and its cached MAT-file. Using this combination, the parameter loading time can be greatly improved any time in which the parameter M-script has not been changed.

Required Products Simulink
MATLAB release MATLAB 7.4 (R2007a)
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Updates
11 May 2007

Included long description in PDF document.

07 Aug 2009

Updated copyright information

01 Dec 2009

Updated copyright statement for BSD license.

Tag Activity for this File
Tag Applied By Date/Time
simulink Robyn Jackey 22 Oct 2008 09:12:00
fast cached parameter loading base workspace initialize load run Robyn Jackey 22 Oct 2008 09:12:00

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