{"coeffs": [4.97663600339635e-07, 1.204894754670603, 1.7542429712323857, 0.1152930264487068], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.450651725198303e-07, 3669.3086845358116, 352.59094617880345, 0.012615791276822731], "covariance": [[2.970960422940724e-13, -0.0012310253922959062, -0.00011830175216469056, -5.106672190333299e-09], [-0.0012310253924884263, 13463826.222409928, 1293765.0141000336, 44.30974176934538], [-0.00011830175218681165, 1293765.0141000093, 124320.37532726387, 4.257940395928832], [-5.106672190856579e-09, 44.309741766932575, 4.257940395694038, 0.0001591581895403565]]}