[gradsusr] what is the function to plot deltaT time series?

[Haibin Li]

Jeff,

Thanks. The second trick works well.

Haibin

On 8/7/2012 12:39 PM, Jeff Duda wrote:
> So you want to plot the difference between a given variable at time t 
> and the same variable at time t-1 for a range of time values?  If so, 
> then set your time dimension to encompass the entire period, then display:
>
> 'd var - var(t-1)'
>
> if Grads gives you any guff over that, try enclosing the expression in 
> a tloop() function:
>
> 'd tloop(var-var(t-1))'
>
> Jeff Duda
>
> On Tue, Aug 7, 2012 at 10:57 AM, Haibin Li <hli at envsci.rutgers.edu 
> <mailto:hli at envsci.rutgers.edu>> wrote:
>
>     Hello there,
>
>     I have a time series for a given geographic location, now I want
>     to plot
>     a time series map for the delta T, i.e.,
>     Var(t=2)-Var(t=1),Var(t=3)-Var(t=2), ..., Var(t=end)-Var(t=end-1).
>     Does anyone know what command I can use to achieve that purpose?
>     Thanks.
>
>
>     Haibin
>     _______________________________________________
>     gradsusr mailing list
>     gradsusr at gradsusr.org <mailto:gradsusr at gradsusr.org>
>     http://gradsusr.org/mailman/listinfo/gradsusr
>
>
>
>
> -- 
> Jeff Duda
> Graduate research assistant
> University of Oklahoma School of Meteorology
> Center for Analysis and Prediction of Storms
>
>
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://gradsusr.org/pipermail/gradsusr/attachments/20120807/30d9d4ae/attachment-0003.html