[RASMB] questions

[Peter Schuck]

Hi Tongpil,
the error message you get is usually caused by either a too high number for 
the "resolution" setting in c(s) [I rarely use more than 200, usually 
less], or if you are using a model with close to linear dependent (i.e. 
redundant) species.
With regard to your other question on the fitting limit -  you do have to 
manually set the green line away from the meniscus (the red one) to exclude 
data in the range of optical artifacts, but not further.  You can find a 
visual example of this in the step-by-step tutorial
http://www.analyticalultracentrifugation.com/tutorial_loaddata.htm
Hope this helps,
Peter



At 05:24 PM 8/13/2004 -0400, you wrote:
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>
>I am new in AUC and don't know much about it.
>I am trying to run Sedfit with my velocity data, but I am getting error 
>message.
>It is : max #iteration exceeded in NNLS.
>Would anyone tell me what this is and how to solve this problem?
>And I am having rmsd of ~0.006. Is this good rmsd value?
>Also, for the outer fitting limit (green line on left), moving green line 
>a little further away from red line gives me lower rmsd.
>Is it O.K. to accept this position as outer fitting limit?
>Please help me.
>Thank you in advance.
>
>Tongpil
>
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