Signal models

constant(signal, **kwargs)	Constant model fit
exp_decay(signal[, time, bounds, p0, parallel])	Exponential decay model fit
abs_exp_recovery_2p(signal[, TI, bounds, ...])	2-parameter absolute exponential recovery model fit
exp_recovery_2p(signal[, TI, bounds, p0, ...])	2-parameter exponential recovery model fit
abs_exp_recovery_3p(signal[, TI, bounds, ...])	3-parameter absolute exponential recovery model fit
exp_recovery_3p(signal[, TI, bounds, p0, ...])	3-parameter exponential recovery model fit
spgr_vfa_nonlin(signal[, FA, bounds, p0, ...])	Non-linear SPGR model fit
spgr_vfa_lin(signal[, FA, progress_bar])	Linearised SPGR model fit
array_2cfm_lin(signal[, aif, time, ...])	Linearised 2-compartment filtration model fit