{"coeffs": [-1.8720663805092738e-07, 0.19488865147115567, 1.4261736234899758, 0.08741905599302868], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [5.346328808579063e-07, 1321.298624598093, 595.7708881260528, 0.03863093566900926], "covariance": [[2.858323172944242e-13, -0.0003510942504531584, -0.00015833486374352572, -1.2835971448678122e-08], [-0.00035109425041558354, 1745830.0553648123, 787191.2424516089, 48.741770303779894], [-0.00015833486372322165, 787191.2424516251, 354942.95113850577, 21.978786954672735], [-1.2835971447996102e-08, 48.74177030551262, 21.978786955461487, 0.001492349190663132]]}