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MatLab Command Memory Jogger

Forgotten a nifty MatLab command? Here is a list of my favorite. You can find out what they do from Matlab help. 
more on		figure		echo

whos 			lists variables in memory

print -djpeg graph1.jpg 	makes a .jpg (.gif's are no longer supported)

To run a .m file, type its name

Comment lines in .m files start with %

slice(phi,21,21,21)	phi is a 3-dimensional array
mesh(phi)		phi is 2-dimensional
surf(phi)		phi is 2-dimensional
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