xy = [-97 33; -95 30; -100 32];
Adj = triu(ones(3),1);
gplot(Adj,xy,'-o');
text(-95.25,29.85,'Houston')
text(-97,33.25,'Dallas')
text(-100.25,32.25,'Austin')
axis([-101 -94 29 34]);
title('Graph Plot demo','fontsize',14)
sh