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Re: Problem with variable indices
Hi Michael,
'A' in the expression below evaluates to a variable, with an associated
grid, longname, units, etc., but indices are scalar values. To get 'A'
in the expression below to evaluate to a scalar value, use grave accents
around `A`. LET A=1; LIST APS[l=`A`].
See 'immediate mode' in the ferret user's guide at
http://ferret.wrc.noaa.gov/Ferret/Documentation/Users_Guide/current/fer_html.htm
Joe
Michael Traub wrote:
> Dear Ferreters!
>
> I have got problems with variable indices:
> If I do:
>
> LIST APS[I=1] --> I get the values
>
> But if I do:
>
> LET A=1; LIST APS[I=A] --> **ERROR: command syntax: A
>
> What is the correct way to work with variable indices???
>
> Thanx
>
> Michael
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