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Welcome to the relax Wiki.
The community-run support site for relax, a program for the study of molecular dynamics using experimental NMR data.

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News & Updates
Migration to SourceForge	After the Gna! shutdown at the start of 2017, relax has finally in 2019 been fully migrated to the SourceForge infrastructure.
Gna! is permanently shut down!	A migration to another open source infrastructure is planned. This will include web hosting for http://www.nmr-relax.com, source code repositories, bug and other trackers, new reports, download pages, and possible a svn to git conversion.
Tutorial added	Tutorial for sorting data stored as numpy to on-resonance R1rho analysis
Version 4 of relax	With the latest relax release merging in years of developments in the frame order analysis, the major number has been incremented to relax 4.
Tutorial added	Tutorial for manual regarding the relaxation dispersion auto-analysis in the GUI
Tutorial added	Tutorial for R1/R2 Relaxation curve-fitting analysis on varian recorded as fid interleaved
Matplotlib example added	Matplotlib example
Tutorial added	Relaxation dispersion analysis R1_rho recorded on varian
Tutorial added	Relaxation dispersion analysis cpmg fixed time recorded on varian as fid interleaved
Tutorial added	Adding relaxation dispersion models to relax
wiki namespace changed	The wiki is now placed at: http://wiki.nmr-relax.com as of 19 of July 2013
GPL License	The License has been changed to GPL v3.
New Wiki	This is the new wiki

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%PAGE% Contents 1 %PAGE% 2 Notes on time consumption 3 Example 4 What takes time ? 4.1 Precision Notes on time consumption See comments from Edward. mailing list correspondance Example A performed 'cpmg fixed' relaxation dispersion analysis, for a dataset with 68 residues. Analysed with 22 intensity files, with 4 triple replications. Time consumption was approximately 20 hours. The analysed models were: R2eff', 'No Rex','LM63','CR72' What takes time ? Precision By default relax uses much higher precision optimisation than most other softwares. This is based on the philosophy that more accurate results are worth the wait, especially considering that this time is relatively small in comparison to the measurement and processing time (and adding the inevitable ..→

Random screenshots
relax starting interface The analysis selection wizard Steady-state NOE analysis R1 analysis R2 analysis Model-free analysis The relax controller Spin viewer window Results viewer window Pipe editor window relax prompt window About GUI screen About relax screen