{"coeffs": [3.5466864524729174e-08, 0.3020780458338258, 1.526530299756447, 0.0911354391599459], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.381029117897641e-08, 959.9244532301268, 290.7913384649601, 0.009139950300539022], "covariance": [[8.800370731084339e-15, -4.623159990252228e-05, -1.4006243932156207e-05, -5.480069341003917e-10], [-4.6231599916413176e-05, 921454.955909158, 279137.7153613125, 8.378769964991386], [-1.4006243936603472e-05, 279137.7153613043, 84559.602526243, 2.538266798775854], [-5.480069341823941e-10, 8.378769964174515, 2.538266798527417, 8.353869149632335e-05]]}