Here's a plot: http://imageshack.us/f/192/stepsd.png/ http://imageshack.us/f/192/stepsd.png/ It might be interesting to plot the mapping instead. edit: one ha

Here's a plot: http://imageshack.us/f/192/stepsd.png/ http://imageshack.us/f/192/stepsd.png/ It might be interesting to plot the mapping instead. edit: one has already been made: http://news.ycombinator.com/item?id=2626879 http://news.ycombinator.com/item?id=2626879