Dear all, While struggling to co-exist with Matlab, I have found some excellent documentation online which I thought others might find useful. The first, and probably most useful for those already familiar with using Matlab, is a tips & tricks document which covers various techniques of array and matrix manipulation, which can save you a lot of coding and time searching through the Matlab help library. You can download/view it online here: http://home.online.no/~pjacklam/matlab/doc/mtt/doc/mtt.pdf For those who are just starting Matlab, or need a more extensive reference, the official Matlab 'Getting Started' guide is worth a read: http://www.mathworks.com/access/helpdesk/help/pdf_doc/matlab/getstart.pdf as is the suitabily named 'Matlab for Psychologists': http://www.dartmouth.edu/~antonia/matlab_for_psychologists.pdf Finally, the following page contains lots of useful links to similar documents, including guides to speed up Matlab code through vectorizing: http://www.ee.columbia.edu/~marios/matlab/matlab_tricks.html I hope these are a useful resource for the Matlab users out there. Best wishes, Padraig -- Pádraig Kitterick Graduate Student Department of Psychology University of York Heslington York YO10 5DD UK Tel: +44 (0) 1904 43 3170 Email: p.kitterick(a)psych.york.ac.uk