comp.lang.idl-pvwave archive: archive » SVDC did not converge

Home » Public Forums » archive » SVDC did not converge

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: SVDC did not converge [message #85260 is a reply to message #85259]

Fri, 19 July 2013 01:22

Rob Klooster
Messages: 18
Registered: February 2013

Junior Member

Op vrijdag 19 juli 2013 09:04:57 UTC+2 schreef Rob Klooster het volgende:
> Op donderdag 18 juli 2013 18:07:52 UTC+2 schreef fd_...@mail.com het volgende:
>
>> Hi
>
>>
>
>>
>
>>
>
>> I am using the Singular value decomposition method (SVDC function) and so far everything works fine.
>
>>
>
>>
>
>>
>
>> I have two arrays: one with p-values and the other with d-values
>
>>
>
>> E.G. p=[0.02,0.04,0.06] and d=[0.01,0.015,0.025]
>
>>
>
>> Each time I choose if I want to use the p or the d array. When I use the p array everything is ok but when I use the d array I've got the following error and I don't see why:
>
>>
>
>>
>
>>
>
>>> SVDC: svdcmp_d did not converge.
>
>>
>
>>> Array has a corrupted descriptor: <No name>.
>
>>
>
>>
>
>>
>
>> Does anyone know why this happens?
>
>>
>
>>
>
>>
>
>> ManY Thanks
>
>>
>
>> M
>
>
>
> What are the matrices of which you want to calculate the SVD? I cannot reproduce the error you get, could you provide some example code?
>
>
>
> Rob.

I just noticed that the error can come from NAN's in your array. You should check for those with the finite() function.

Rob.

Report message to a moderator

[Message index]

		SVDC did not converge By: fd_luni on Thu, 18 July 2013 09:07
		Re: SVDC did not converge By: Rob Klooster on Fri, 19 July 2013 00:04
		Re: SVDC did not converge By: Rob Klooster on Fri, 19 July 2013 01:22
		Re: SVDC did not converge By: fd_luni on Fri, 19 July 2013 02:21
		Re: SVDC did not converge By: Mats Löfdahl on Fri, 19 July 2013 08:34

Previous Topic:	Running Java bridge in Envi + IDL mode
Next Topic:	Open text files consecutively without knowing names

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 20:05:29 PDT 2025

Total time taken to generate the page: 0.00397 seconds