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incremental from accumulated values
Hello,
I have a time series of accumulated precipitation output from a weather
model. I would like to do some calculations and plot time series of
incremental values of precip. What is the syntax to be able to do this in
Ferret? Essentially, I want something like:
let prcpinc = prcpacc-prcpacc[l=`l-1`]
The problem is that `l-1` does not evaulate to a single scaler since it
changes with every time.
Thanks for any suggestions.
-Bill
____________________________________________________________
Bill Gustafson
_____________Ph.D. Candidate, Atmospheric Science___________
Land, Air and Water Resources
University of California, Davis
1 Shields Avenue
Davis, CA 95616-8627 (530)752-1868
U.S.A. ivor@ucdavis.edu
____________________________________________________________
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