matlab demo videos

I watched 14 of the demo videos yesterday:

http://www.mathworks.com/products/matlab/demos.html

It took me about 5 years to haphazardly learn most of the things that you could learn in an hour or so watching all of those videos.

Watch the videos.

You learn things like, did you know you can specify something like
mymatrix(10:end);

I've always done
mymatrix(10:length(mymatrix));

Also good:

http://www.mathworks.com/videos/matlab/optimizing-performance.html

I love matlab.