{"coeffs": [-2.874597849354694e-06, 0.00011563713938630178, 0.521311519642825, 0.1603314929208399], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.09233996449462e-07, 4.117279917033151e-06, 0.01080695444353029, 0.005327090200295618], "covariance": [[2.5931926313989077e-13, -1.601946119609904e-12, -3.88875518445228e-09, -2.4225927240087316e-09], [-1.6019461196099068e-12, 1.6951993915204505e-11, 4.419212099784414e-08, 2.0784659320044965e-08], [-3.888755184452284e-09, 4.419212099784414e-08, 0.00011679026434453905, 5.337936443523958e-05], [-2.422592724008733e-09, 2.0784659320044955e-08, 5.337936443523956e-05, 2.8377890002085606e-05]]}