{"coeffs": [-2.695909067682705e-06, 0.00015085280628096152, 0.509972379484749, 0.1457576503123105], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.111806360143138e-07, 6.346072180036278e-06, 0.012016025137698666, 0.006109780550063122], "covariance": [[6.580140242445867e-13, -3.725021576965683e-12, -6.3545095096669675e-09, -4.291803414337645e-09], [-3.725021576965682e-12, 4.02726321142304e-11, 7.553029498521881e-08, 3.6425365084644814e-08], [-6.354509509666969e-09, 7.553029498521884e-08, 0.00014438486010980627, 6.708442813420678e-05], [-4.291803414337643e-09, 3.642536508464482e-08, 6.708442813420678e-05, 3.732941836992963e-05]]}