How to open matlab without screen

If you have only a terminal, MATLAB will run without display anyway, but in some cases, for instance if you would like to save memory and processor it is worth to run without screen as

matlab -nodisplay

Edit matlab scripts and functions in vim

Good resources for editing MATLAB files in vim can be found here

http://www.vim.org/scripts/script.php?script_id=2407

How to open a file for debug when error

If you have an error in your code the default functionality of MATLAB is to stop, however if you configure Debug / "stop if errors \ warnings"  to always stop if error (dbstop if error) the file with error will be opened in debug mode in case of error.