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    <p>Back everything up is right. Create a pristine tarball of the original source tree, and then throw it all in source control so you can track and roll back your changes.</p> <p>Have a look at Matlab's depfun() and depdir(), which detect static dependencies. It could help you see dependencies between Matlab functions. With "depfun -toponly" on all the files and a little string munging, you could build a list of immediate dependencies and throw that in a GraphViz file to produce a big directed graph of your codebase's call connections. Clusters in the graph could be a good place to divide the code around. (EDIT: See Jonas's solution; looks like m2html does this for you.)</p> <p>If you have a lot of latitude to rewrite the code, consider rewriting some of the code as objects, using stateless utility classes with class methods and private functions as ways of packaging related functions together and providing some encapsulation. I've worked with largish Matlab codebases organized this way, and it works all right. In classic Matlab, classes are your only way of doing some sort of packages. I believe Matlab's newer OO system has namespace support, too.</p> <p>If you don't want to convert the code to OO, you can organize related functions in subdirectories. That helps to organize it for source code browsing at least.</p> <p>All the functions should have some doco in Matlab's standard helptext format, including an H1 line. If they don't, stick the comments on what you learn there. Then use the "contentsrpt" tool to automatically generate table of contents files for the classes or directories.</p> <p>Good luck.</p>
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    1. POHow to visualize a project structure in MATLAB?
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    1. USAndrew Janke
    1. USAndrew Janke
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    1. COSee the comment below on m2html. It can generate dependency graphs for you.
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      1. USMarc
    2. COwhat is the definition of a 'stateless utility class' in matlab? can you point me to some docs?
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