Use something like Example 2 at
http://www.ncl.ucar.edu/Applications/xy.shtml
  x1[*], y1[*]
  x2[*], y2[*]
  n1 = dimsizes(y1)
  n2 = dimsizes(y2)
  N  = max( (/n1,n2/) )
  xx = new((/2,N/),typeof(y1))
  yy = new((/2,N/),typeof(y1))
  xx(0:n1-1) = (/ x1 /)
  yy(0:n1-1) = (/ y1 /)
  xx(0:n2-1) = (/ x2 /)
  xx(0:n2-1) = (/ y2 /)
;************************************************
  wks   = gsn_open_wks ("ps","xy")                  ; open workstation
  res                   = True                      ; plot mods desired
  res@tiMainString      = "Mulitple XY plot"        ; add title
  res@xyLineThicknesses = (/1.0,2.0/)               ; specify thickness
  res@xyLineColors      = (/"blue","red"/)          ; change line color
;res@tiMainString      = "..."
;res@gsnLeftString     = "..."
;res@gsnCenterString   = "..."
;res@gsnRightString    = "..."
  plot  = gsn_csm_xy (wks,xx,yy,res)                ; create plot
On 2/18/11 2:27 AM, ahmed lasheen wrote:
> can NCL plot the two drawing on the same x axis , the difference is that
> jacopi.error file has 583 number and gauss.error file has 300 number.
> i do it in gnuplot and i have attached it .
>
> On Fri, Feb 18, 2011 at 7:37 AM, ahmed lasheen <ahmed4kernel@gmail.com
> <mailto:ahmed4kernel@gmail.com>> wrote:
>
>     thanks so much
>
>
>     On Fri, Feb 18, 2011 at 12:13 AM, Mohamad Ibrahim OMAR
>     <egy_mohamad@yahoo.com <mailto:egy_mohamad@yahoo.com>> wrote:
>
>         Hi, Ahmed
>         you have an error in writing the gsn_csmx2y2 order it must be
>         plot =
>         gsn_csm_x2y2(wks,x_jacopi,x_gauss,y_jacopi,y_gauss,res1,res2)
>         instead of
>           plot =
>         gsn_csm_x2y2(wks,x_jacopi,y_jacopi,x_gauss,y_gauss,res1,res2)
>         and some lines I changed for resources you can check them and I
>         attached the script
>         Regards
>
>         Mohamed Ibrahim El-Sayed OMAR
>
>         Egyptian Meteorological Authority
>
>         Scientific Research Department
>
>         Climate Studies Centre
>         Kobry El-Quobba, P.O.Box. 11784
>         Cairo, EGYPT
>
>         Mobil phone  : 002 0160802805
>         Home Phone : 002 0482370261
>
>
>
>
>
>
>     --
>     ===============
>     Ahmed Lasheen
>     Junior researcher at Cairo Numerical Weather Prediction Center (CNWPC)
>     Egyptian Meteorological Authority(EMA)
>     Cairo,Egypt
>     ===============
>
>
>
>
> --
> ===============
> Ahmed Lasheen
> Junior researcher at Cairo Numerical Weather Prediction Center (CNWPC)
> Egyptian Meteorological Authority(EMA)
> Cairo,Egypt
> ===============
>
>
>
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Received on Fri Feb 18 06:55:55 2011
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