Set `f_min` for GW waveform plots
The purpose of this MR is to set the minimum frequency when evaluating the waveform model to be equal to the minimum frequency used when evaluating the likelihood. This fixes #314 (closed).
The purpose of this MR is to set the minimum frequency when evaluating the waveform model to be equal to the minimum frequency used when evaluating the likelihood. This fixes #314 (closed).