Division by zero?

From: Yang Yang <yang123yang_at_nyahnyahspammersnyahnyah>
Date: Mon Feb 18 2013 - 15:00:23 MST

Dear All:
 
I have a NCL script contains the following:
 
  sim    = addfile("Mt_Cook.day_38102.nc","r")
  x1 = sim->snow_liq_gb(:,0,0)
  x2 = sim->snow_mass_gb(:,0,0)
  ssnow  = where(x2.gt.0.01, x1/x2, -999.)

When I ran it, I had the following errors:
fatal:divide: Division by 0, Can't continue
fatal:Div: operator failed, can't continue
fatal:Execute: Error occurred at or near line 19 in file snow_sim_mass_1_ratio.ncl

Line 19 is: ssnow = where(x2.gt.0.01, x1/x2, -999.)
 
I cannot figure out why "where" cannnot work here? Any help is appreciated. Thanks!
 
Ed
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Received on Mon Feb 18 15:00:36 2013

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