{"coeffs": [-6.031668552788e-08, 4.7371414084603355e-05, 0.4723851279436207, 0.09657971342224456], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.130450577819304e-08, 8.598984887553558e-07, 0.003978338954894009, 0.002002657713558435], "covariance": [[8.336512775400088e-15, -3.813515771196094e-14, -1.402205946345777e-10, -1.2023156372500459e-10], [-3.813515771196097e-14, 7.394254109637447e-13, 3.350878125906954e-09, 1.5514911786454562e-09], [-1.4022059463457792e-10, 3.3508781259069545e-09, 1.5827180840027153e-05, 6.933793733046789e-06], [-1.2023156372500466e-10, 1.5514911786454558e-09, 6.933793733046787e-06, 4.010637917675098e-06]]}