[gradsusr] Unknown source of errors

[Jennifer Adams]

On Oct 31, 2013, at 9:27 PM, juan pablo sierra perez wrote:

> Hello everyone 
> 
> I have found differences in the results in this two ways to proceed:
> 
> First one: 
> n2=14
> 'define s=ave('var', t='n2'-11, t='n2'-9)' 
The expression needs to look like this (note I just moved some of the ' in your t= expressions) 
s = ave('var',t='n2-11',t='n2-9')

GrADS will not perform mathematical operations within the args to ave. Those need to be resolved inside your script instead. 

--Jennifer


> 
> Second one:
> 'define s=ave('var', t=3, t=5)' 
> 
> How can I use the "average" command with a math expression used to define the times values avoiding the errors?
> Why is this error produced?
> 
> Thanks in advance!
> 
> Regrets
> 
> Juan 
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--
Jennifer M. Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
111 Research Hall, Mail Stop 2B3
George Mason University
4400 University Drive
Fairfax, VA 22030 





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