[ncl-talk] principal oscillation pattern

Maria Gehne - NOAA Affiliate maria.gehne at noaa.gov
Thu Jan 8 15:33:29 MST 2015


Hi Lena,
I can look into it tonight or tomorrow morning. I'm traveling right now so
it's hard to look at your code and the pop routines. I wrote most of the
original code so hopefully I can help you.

Maria

On Thursday, January 8, 2015, Dennis Shea <shea at ucar.edu> wrote:

> Technically,the 'Principal Oscillation Pattern' is not a supported
> function. However, it will be looked at in th near future: today or
> tomorrow.
>
> On Thu, Jan 8, 2015 at 11:22 AM, Mary Haley <haley at ucar.edu
> <javascript:_e(%7B%7D,'cvml','haley at ucar.edu');>> wrote:
>
>> Lena,
>>
>> A friendly tip: if you reply to an email thread, it's helpful to keep all
>> the original emails in the body of the message. This particular email
>> didn't include the original email with the error message, so I had to go
>> back a few emails to find it.
>>
>> The error is referring to an "inverse_matrix" function, but your script
>> is not calling this function directly, so it's difficult for us to debug
>> your script without knowing what other function is referencing
>> inverse_matrix.
>>
>> Usually you can debug these things on your own by using
>> "printVarSummary", which will tell you what the dimensionality and size of
>> your data is.
>>
>> Find the location in your script where you think inverse_matrix is being
>> called by another function, and then insert some "printVarSummary" calls to
>> look at the data before you call the offending function. This will
>> hopefully shed some light on why your data is not the correct
>> dimensionality.
>>
>> --Mary
>>
>>
>>
>>
>> On Thu, Jan 8, 2015 at 6:43 AM, Lena Frey <Frey_L at web.de
>> <javascript:_e(%7B%7D,'cvml','Frey_L at web.de');>> wrote:
>>
>>> Hi again!
>>>
>>> Thanks to Karin. The problem is, that I don't know why I get this error
>>> message.
>>> I have used the ncl script from the ncl website to calculate the POPs
>>> for the mean sea level pressure.
>>> I am using NCEP reanalysis data. The mean sea level pressure has the
>>> dimensions time, lat, lon.
>>> So, following the ncl script it should be 2D before calculating the
>>> inverse matrix.
>>>
>>> You can find attached my ncl script.
>>>
>>> Thanks,
>>>
>>> Lena
>>>
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>>
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