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= Description =
<onlyincludesection begin=description/>
This is a minor feature and bugfix release which includes improvements to the [http://www.nmr-relax.com/manual/Relaxation_dispersion.html relaxation dispersion chapter of the manual] and the addition of new infrastructure for R<sub>1ρ</sub> data handling in the dispersion analysis. More details are given below.
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= Download =
<section begin=download/>
The new relax versions can be downloaded from http://www.nmr-relax.com/download.html. If binary distributions are not yet available for your platform and you manage to compile the binary modules, please consider contributing these to the relax project (described in section 3.6 of the relax manual, http://www.nmr-relax.com/manual/relax_distribution_archives.html).
<section end=download/>
= CHANGES file =
<section begin=metadata/>
Version 3.1.7 <br/>
(17 March 2014, from /trunk) <br/>
http://svn.gna.org/svn/relax/tags/3.1.7
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== Features ==
<section begin=features/>
* Large amounts of new infrastructure for the R<sub>1ρ</sub> relaxation dispersion analysis type.
* More hardware information printed out when using the '--info' command line option.
* The [http://www.nmr-relax.com/manual/relax_disp_write_disp_curves.html user function relax_disp.write_disp_curves] now produces text files of R<sub>2eff</sub> verses the rotating frame tilt angle θ.
* Small improvements for the [http://www.nmr-relax.com/manual/relaxation_dispersion_auto_analysis_in_GUI.html relaxation dispersion GUI tutorial] and [http://www.nmr-relax.com/manual/Preface_citing_relax.html citation chapter] of the relax manual.
<section end=features/>
== Changes ==
<section begin=changes/>
* Added text file for the articles reference values from the global fit in Relax_disp.test_r1rho_kjaergaard. Regarding [https://gna.org/bugs/?21344 bug #21344, handling of in sparse acquired R<sub>1ρ</sub> dataset with missing combinations of time and spin-lock field strengths]. This is from optimisation of the Kjaergaard et al., 2013 Off-resonance R<sub>1ρ</sub> relaxation dispersion experiments using the 'DPL' model. This uses the data from Kjaergaard's paper at DOI: http://dx.doi.org/10.1021/bi4001062.
* Replaced "_" with "-" in text file with global fit residues. Regarding [https://gna.org/bugs/?21344 bug #21344, handling of in sparse acquired R<sub>1ρ</sub> dataset with missing combinations of time and spin-lock field strengths].
* Added interpolation calculation of θ and ω<sub>eff</sub>, when dispersion points are interpolated. Regarding [https://gna.org/support/?3124 sr #3124, Grace graphs production for R<sub>1ρ</sub> analysis with R<sub>2eff</sub> as function of Ω<sub>eff</sub>].
* Added printout of Ω, the average resonance offset, in calc_rotating_frame_params(). Regarding [https://gna.org/support/?3124 sr #3124, Grace graphs production for R<sub>1ρ</sub> analysis with R<sub>2eff</sub> as function of Ω<sub>eff</sub>].
<section end=changes/>
== Bugfixes ==
* <section begin=bugfixes/> Typo fix for text in the model-free GUI auto-analysis. The maximum iterations for the protocol was misspelled in the GUI. This was spotted by Hessam Nasrollah.
* Fix for one of the frame order system tests when using the Mac OS X application binary. The problem was that the 'shared_data' directory could not be found as it was not included in the test_suite package __all__ list.
* Fix for [https://gna.org/bugs/?21754 bug #21754, the failure of the grace.view user function on MS Windows in opening a file in qtgrace when the path includes spaces], as reported by Mengjun Xue (mengjun dott xue att mailbox dott tu-berlin dott de). The fix was to run the program with the file name in double quotes.
* Fix for [https://gna.org/bugs/?21763 bug #21763, the problem of the chi2 value not being visible in the parameter list of the grace.write and value.write user functions in the GUI]. The problem was that when asking for the parameter name list, the minimisation parameters were not being asked for.
<section end=bugfixes/>
= Links =
<section begin=links/>
For reference, the following links are also part of the announcement for this release:
* [http://wiki.nmr-relax.com/Relax_3.1.7 Official release notes]
* [https://mail.gna.org/public/relax-announce/2014-03/msg00001.html Local archives]
* [http://marc.info/?l=relax-announce&m=139509874209089&w=2 MARC]
<section end=links/>
= Announcements =
