How to draw errorbars for multiple data lines in a single plot.

I have three lines in plot. I need to draw error bars for all three lines.

Answer 1

[the cyclist]

One way:

figure
hold on
errorbar(x1,y1,e1,'linespec1')
errorbar(x2,y2,e2,'linespec2')
errorbar(x3,y3,e3,'linespec3')