function fig210
clf
% x-axis phi-axis
load fig210data.txt
x=fig210data(:,1);
p=fig210data(:,2);
% get(gcf)
set(gcf,'Position', [831 555 548 229]);
hold on
box on
grid on
plot(x,p,'-','Linewidth',1)
axis([-0.04 1.04 -0.008 0.002])
xlabel('x-axis','FontSize',18,'FontWeight','bold')
ylabel('\phi -axis','FontSize',18,'FontWeight','bold')
set(gca,'ytick',[-0.008 -0.003 0.002]);
set(gca,'YTickLabel',{'-0.008';'-0.003';'0.002'})
set(gca,'FontSize',14);
hold off