MATLAB Installation Guide for Unix    

Specify Documentation Viewing Options

MATLAB includes default settings for online documentation viewing options. If you want to change these defaults, you can edit the M-file docopt.m, located in the directory $MATLAB/toolbox/local. This file allows you to specify an alternative Web browser, additional initial browser options, or a different initial path to the viewable documentation.


 Specifying Print Options Specifying MATLAB Startup Options