figure
hold on;
axis on;
SE505_NodesPlot(n1,'1',0.25,'ok');
SE505_NodesPlot(n2,'2',0.25,'ok');
SE505_NodesPlot(n3, '3', 0.25, 'ok');
SE505_NodesPlot(n4, '4', 0.25, 'ok');
SE505_NodesPlot(n5, '5', 0.25, 'ok');
SE505_NodesPlot(n6, '6', 0.25, 'ok');
SE505_NodesPlot(n7, '7', 0.25, 'ok');
SE505_NodesPlot(n8, '8', 0.25, 'ok');
SE505_NodesPlot(n9, '9', 0.25, 'ok');
SE505_NodesPlot(n10, '10', 0.25, 'ok');
SE505_LinesPlot(n1,n2,'k');
SE505_LinesPlot(n2,n4,'k');
SE505_LinesPlot(n3,n4,'k');
SE505_LinesPlot(n4,n6,'k');
SE505_LinesPlot(n5,n6,'k');
SE505_LinesPlot(n6,n8,'k');
SE505_LinesPlot(n7,n8,'k');
SE505_LinesPlot(n8,n10,'k');
SE505_LinesPlot(n9,n10,'k');
title('Testing')
set(get(gca,'title'),'Position',[8 6 1.00011])
annotation('textarrow' , [0.13 0.13],[1 0.8],'string','Test');
function y = SE505_NodesPlot(n,no,disp,sty)
plot(n(1),n(2),sty,'linewidth',16 );
text(n(1)+disp,n(2)+disp, no, 'fontsize',24);
y = n;
function y = LinesPlot(n1,n2,sty)
x = [n1(1);n2(1)];
y = [n1(2);n2(2)];
plot(x,y, sty,'linewidth', 4);