File: errbar.cat

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errbar(2)                      Scilab Function                      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)]

  Enter the command errbar() to see a demo.

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..