Typing commands in the MATLAB command line lets you connect and disconnect to Photoshop, and generate pixels viewable in a Photoshop document. For a list of all MATLAB Photoshop commands, browse the file psfunctionscat.html, available in the MATLAB folder in the directory where you installed Photoshop. Enter help (command name) at the MATLAB command prompt for a fuller description of each command, including syntax, arguments, and examples.