Sharing Code on theMATLAB File Exchange

April 23, 2006Ned GulleyThe MathWorks, Inc.

1. MATLAB

2. File Exchange

3. Stats

4. Evolution

5. Futures

What is MATLAB?

• A general purpose number-crunching environment

• A matrix-based language suited for algorithm development

What is the File Exchange?

Value proposition:

• Good Free Code

Concerns

• Barriers to participation

• Cost of maintenance

Operating principle:

Reward vanity

Some numbers

• 9-11-2001

• 4439

• 20

• 120

• 10,000

• 100

Evolution

• Download counters

• Ratings & comments

• Author reputation

• Blog

• “Collaborate with me”

• Peer review: demotion & promotion

• Code metrics

Collaborative networks

Code metrics

Futures

• Wiki coding

• MATLAB SourceForge

• “File Exchange in a Box”

Thanks!

Ned Gulley

gulley@mathworks.com

http://www.mathworks.com/matlabcentral