{"coeffs": [-3.848065121449606e-08, 0.43486336888335014, 1.4793349424759192, 0.08475101519706893], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.094289585295957e-08, 968.1746112417627, 189.30639453740022, 0.0048958981115948645], "covariance": [[3.714036554944676e-15, -2.864588104676219e-05, -5.601533111171312e-06, -1.8162948543525068e-10], [-2.8645881083451374e-05, 937362.0778531383, 183281.64437444555, 4.526813268790107], [-5.601533118074253e-06, 183281.64437442695, 35836.91101274983, 0.8851456271598354], [-1.8162948555700458e-10, 4.52681326696913, 0.8851456268034535, 2.3969818319118157e-05]]}