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Missing the normalize function that is called.
This sounds interesting. The problem is that it would be better to post your source code and description on how to compile the code rather than providing mex files or dlls.
It is not wise to download mex/dll files from unknown sources.
Funny when I first saw this I thought: "nice but I don't really need it". Then today I was plotting a bunch of data and was wishing I had someone to "turn off" some of the lines. Just what I needed! Thanks for the great post.