File: errbar.cat

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errbar            Scilab Group            Scilab Function            errbar
NAME
   errbar - add vertical error bars on a 2D plot
  
CALLING SEQUENCE
 errbar(x,y,em,ep)
PARAMETERS
 x,y,em,ep   : four matrices of the same size.
             
DESCRIPTION
   errbar adds 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)].  Enter the command
  errbar() to see a demo.
  
EXAMPLE
 t=[0:0.1:2*%pi]';
 y=[sin(t) cos(t)]; x=[t t];
 plot2d(x,y)
 errbar(x,y,0.05*ones(x),0.03*ones(x))
SEE ALSO
   plot2d
  
AUTHOR
   J.Ph.C.