function plotXi

close all;
load corrLength_2.4.dat
load corrLength_2.2.dat
load corrLength_1.5.dat
for i = 1:38
corrLength_1_5(i, 3) = corrLength_1_5(i, 2) * 0.075;
corrLength_2_4(i, 3) = corrLength_2_4(i, 2) * 0.075;
end
for i = 1:34
corrLength_2_2(i, 3) = corrLength_2_2(i, 2) * 0.075;
end
errorbar(corrLength_1_5(:,1), corrLength_1_5(:,2), corrLength_1_5(:,3), 'ko-', 'LineWidth', 1, 'MarkerSize', 7)
hold on;
errorbar(corrLength_2_2(:,1), corrLength_2_2(:,2), corrLength_2_2(:,3), 'kd-', 'LineWidth', 1, 'MarkerSize', 7)
errorbar(corrLength_2_4(:,1), corrLength_2_4(:,2), corrLength_2_4(:,3), 'ks-', 'LineWidth', 1, 'MarkerSize', 7)
x = [13.5 13.5];
y = ylim;
plot(x, y, 'k--', 'LineWidth', 1);
x = [13.0 13.0];
plot(x, y, 'k--', 'LineWidth', 1);
set(gca, 'FontSize', 20);
ylabel('\xi')
set(gca, 'XTick', [])
leg = legend('D=1.50\sigma','D=2.20\sigma','D=2.40\sigma')
set(leg, 'Location', 'NorthWest');
legend boxoff;
pbaspect([2 1 1])
saveas(gca, 'xi.png');