DownloadsDownloadImplementation of Roulette AmplitudesAuthorsAffiliationsHans Georg SchaathunNTNU---Norwegian University of Science and Technology Ben David NormannNTNU---Norwegian University of Science and Technology Calculation of the roulette amplitudes is computationally expensive in general.Sampled lenses (SampledLens)¶Analytic lenses (PsiFunctionLens)¶