{"coeffs": [-3.488756830344219e-07, 6.58876289615677e-06, 0.3233559251887406, 0.16781131797790394], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1185320474165013e-07, 2.3823398073610953e-07, 0.01005207956336673, 0.01090513888062259], "covariance": [[1.2511139410977501e-14, -2.03405861681182e-14, -4.2392985663540207e-10, -1.108984778878544e-09], [-2.03405861681182e-14, 5.675542957737301e-14, 2.0884697479531493e-09, 2.4216558371321997e-09], [-4.2392985663540196e-10, 2.0884697479531493e-09, 0.00010104430354825506, 7.46675545777383e-05], [-1.108984778878544e-09, 2.4216558371321997e-09, 7.46675545777383e-05, 0.00011892205400566653]]}