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* Huge speed ups for all of the relaxation dispersion models ranging from 1.452x to 163.004x times faster. The speed ups for the clustered spin analysis are far greater than for the single spin analysis.
* Implementation of a zooming grid search algorithm for optimisation in all analyses. This includes the addition of the [http://www.nmr-relax.com/manual/minimise_grid_zoom.html minimise.grid_zoom user function] to set the zoom level. The grid width will be divided by 2**<sup>zoom_level </sup> and centred at the current parameter values. If the new grid is outside of the bounds of the original grid, the entire grid will be translated so that it lies entirely within the original.
* Increased the amount of user feedback for the [http://www.nmr-relax.com/manual/minimise_grid_search.html minimise.grid_search user function]. Now a comment for each parameter is included in the printed grid search setup table. This includes if the lower or upper bounds, or both, have been supplied and if a preset value has been used instead.
* Expanded support for R<sub>1ρ</sub> 2D graph plotting in the [http://www.nmr-relax.com/manual/relax_disp_plot_disp_curves.html relax_disp.plot_disp_curves user function] as the X-axis can now be the nu1 value, the effective field omega_eff, or the rotating frame title angle. And the plots are interpolation over the spin-lock offset.
