U-R model
'Rtotal', 'LRratio', 'K_A', 'K_B', 'k_2_A', 'k_2_B', 'w0_R', 'w0_Rstar', 'w0_RL', 'FWHH_R', 'FWHH_Rstar', 'FWHH_RL', 'ScaleFactor'
U_R_model_1D.m
Testing done