{{tip|See the [httpshttp://www.nmr-relax.com/mail.gna.org/public/relax-devel/2013-06/msg00016.html mail archive] for the original post.}}
The following is a tutorial for adding new relaxation dispersion models for either CPMG-type or {{:R1rho}}-type experiments to the software relax. This includes both the models based on the analytic, closed-form expressions as well as the models involving numeric solutions of the Bloch-McConnell equations.