errbar(2)

NAME
errbar - add error tic on a graphic

CALLING SEQUENCE
errbar(x,y,em,ep)

PARAMETERS

x,y,em,ep
    : four matrices of the same size.

DESCRIPTION
Used to add vertical error bars on a 2D plot. x and y have the same meaning as in plot2d; em(i,j) and ep(i,j) stands for the error interval on the value y(i,j)

[y(i,j)-em(i,j),y(i,j)+ep(i,j)]

EXAMPLE
enter the command errbar() to see a demo

Another simple example :
x=0:0.1:2*%pi;
y=[sin(x);cos(x)]';x=[x;x]';plot2d(x,y);
errbar(x,y,0.05*ones(x),0.03*ones(x));

AUTHOR
J.Ph.C..