samer@47: function xticks(T,labels)
samer@47: % XTICKS - set X-tick positions and optionally labels
samer@47: %
samer@47: % xticks :: [[N]] -> unit.
samer@47: % xticks :: [[N]] {[N]->text} -> unit.
samer@47: 
samer@47: set(gca,'XTick',T);
samer@47: if nargin>1,
samer@47: 	set(gca,'XTickLabel',labels);                          
samer@47: end                                                        
samer@47: 
samer@47: