Math Forum http://mathforum.org/kb List of forum topics en grey levels in TuringMachine http://mathforum.org/kb/thread.jspa?messageID=7235057&tstart=0#7235057 here is Minsky UTM (7 states, 4 grey levels, 5 steps, input = {2,3} =
{dark grey, black} cells : works fine

ArrayPlot[
Last /@]]> Oct 9, 2010 6:35:06 AM Oct 9, 2010 6:35:06 AM ahautot@ulg.ac.be 0