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On 29/04/10 15:14, Lecher, Justin wrote: > Hi all, > > I somehow have an error in my HNHA analysis > > func(*args) > File > "/usr2/bes/justin/.extendNmr/extend_nmr/ccpn/python/ccpnmr/analysis/popups/CalcHnHaCoupling.py", > line 754, in update > self.couplingData = couplingData = self.extractHnHaCouplingData() > File > "/usr2/bes/justin/.extendNmr/extend_nmr/ccpn/python/ccpnmr/analysis/popups/CalcHnHaCoupling.py", > line 1047, in extractHnHaCouplingData > x = sqrt((kB*kB)-(4*kA*(kC-coupling))) > ValueError: math domain error > > > justin > > So I still have the problem. What I did was, load the spectra as quantification exp, picked all HN and HA peacks and assigned root-dims. If I then open the popup for the HNHA analysis, this error occurs and freazes the window for further changes. Interestingly the peaks and exp settings are looking exactly like the ones in Tim's tutorial files. Any suggestion where I should take a closer look onto? thanks justin -- Justin Lecher Institute for Neuroscience and Biophysics ISB 3 - Institute for structural biochemistry Research Centre Juelich GmbH, 52425 Juelich,Germany phone: +49 2461 61 5385