Split target function of model ns_r1rho_2site, into a calc and two func_ns_r1rho_2site* variants.
One target function will use measured R1 values, while one target function will use the fitted R1 values.
They will use the same calculation function.
sr #3135(https://gna.org/support/?3135): Optimisation of the R1 relaxation rate for the off-resonance R1rho relaxation dispersion models.
Authored by: tlinnet 2014-08-05
Parent: [r24971]
Child: [r24973]
