A few examples of irfu-matlab usage can be seen under web page https://sites.google.com/site/irfumatlab/
Download the code and add to the Matlab path the directory 'irfu-matlab'.
To download the code from the command line run
git clone git://github.com/irfu/irfu-matlab.git
If you want only the latest version and not the full repository run
git clone --depth=1 git://github.com/irfu/irfu-matlab.git
Any time you want to update the code to the latest version, run from the command line
git pull
If you do not use command line there are github programs for Windows and Mac, see github web page.
Each time starting new Matlab session execute in Matlab:
irf
To see help execute in Matlab
help irfu-matlab
To test an example execute in Matlab:
Example_1
this should download Cluster data from the CSA archive and plot the figure consisting of 5 panels with data from different instruments.