{"coeffs": [-3.7417294870557488e-06, 0.00010742517352345884, 0.46274306279966554, 0.1805106312423454], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.618761298189307e-07, 5.053474587510132e-06, 0.015603491357641427, 0.008448163558993334], "covariance": [[5.804552371878721e-13, -3.0380540576267376e-12, -8.570516816199658e-09, -5.8609254869670545e-09], [-3.038054057626732e-12, 2.5537605406610692e-11, 7.818603160182465e-08, 4.0604126966073725e-08], [-8.570516816199638e-09, 7.818603160182464e-08, 0.00024346894254799071, 0.00012169585118223581], [-5.860925486967048e-09, 4.0604126966073764e-08, 0.00012169585118223596, 7.137146751950292e-05]]}