[gradsusr] Problem while using ltrend.gs

[Bidyut Bikash Goswami]

Hi All,

I am facing some issues while using Bin Guan's ltrend.gs. Please see the
below excerpt from my grads session and kindly suggest how should I set the
dimensions to call ltrend.

ga-> q dim
Default file number is: 1
X is varying   Lon = 50 to 100   X = 200.5 to 400.5
Y is varying   Lat = -20 to 30   Y = 280.5 to 480.5
Z is fixed     Lev = 0  Z = 1
T is varying   Time = 00Z01JAN1985 to 00Z10APR1985  T = 1 to 100
E is fixed     Ens = 1  E = 1
ga-> ltrend sst sstl s e
SET error:  Missing or invalid arguments for X option
SET error:  Missing or invalid arguments for Y option
SET error:  Missing or invalid arguments for T option
Syntax Error:  Invalid dimension expression
  Dimension value missing or invalid
Error from SUM:  1st dimension expression invalid
Operation Error:  Error from sum function
Operation Error:  Error from tloop function
  Error ocurred at column 1
DEFINE error:  Invalid expression.
SET error:  Missing or invalid arguments for X option
SET error:  Missing or invalid arguments for Y option
SET error:  Missing or invalid arguments for T option
Syntax Error:  Invalid dimension expression
  Dimension value missing or invalid
Error from TREGR:  1st dimension expr invalid
  expr does not describe time dimension
Operation Error:  Error from tregr function
  Error ocurred at column 1
DEFINE error:  Invalid expression.
Syntax Error:  Invalid dimension expression
  Dimension value missing or invalid
Error from AVE:  1st dimension expression invalid
Operation Error:  Error from ave function
  Error ocurred at column 1
DEFINE error:  Invalid expression.
SET error:  Missing or invalid arguments for T option
Syntax Error:  Invalid Operand
  'trndslope' not a variable or function name
  Error ocurred at column 1
DEFINE error:  Invalid expression.
Syntax Error:  Invalid Operand
  'trndrecon' not a variable or function name
  Error ocurred at column 1
DEFINE error:  Invalid expression.
Syntax Error:  Invalid Operand
  'trndrecon' not a variable or function name
  Error ocurred at column 1
DEFINE error:  Invalid expression.
SET error:  Missing or invalid arguments for T option
Syntax Error:  Invalid Operand
  'trndslope' not a variable or function name
  Error ocurred at column 1
DEFINE error:  Invalid expression.
Syntax Error:  Invalid dimension expression
  Dimension value missing or invalid
Error from AVE:  1st dimension expression invalid
Operation Error:  Error from ave function
Operation Error:  Error from sqrt function
  Error ocurred at column 1
DEFINE error:  Invalid expression.
SET error:  Missing or invalid arguments for T option
UNDEFINE Warning:  name not found
UNDEFINE Warning:  name not found
UNDEFINE Warning:  name not found
UNDEFINE Warning:  name not found
UNDEFINE Warning:  name not found
Unknown command: _.mydim.resetx
Unknown command: _.mydim.resety
Unknown command: _.mydim.resetz
Unknown command: _.mydim.resett

Thanks,
Bidyut
-- 


*Bidyut Bikash GoswamiResearch ProfessorIrreversible Climate Change
Research Center (IRCC)*
*Yonsei University*
*Seoul, South Korea*
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