[ncl-talk] principal oscillation pattern

Dennis Shea shea at ucar.edu
Thu Jan 8 11:34:25 MST 2015


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> 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> 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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