{"coeffs": [-5.053387950861487e-06, 7.879687723842168e-05, 0.33987613324943405, 0.17578777337379586], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3078435930758468e-06, 3.1486227829371908e-06, 0.011389126644536765, 0.011493724616670848], "covariance": [[1.710454863949541e-12, -3.216600926276578e-12, -7.0750568822233605e-09, -1.378080931142812e-08], [-3.2166009262765763e-12, 9.91382542923114e-12, 3.2651130358706165e-08, 3.399153405533925e-08], [-7.075056882223347e-09, 3.2651130358706145e-08, 0.00012971220572529727, 9.808838260537386e-05], [-1.3780809311428114e-08, 3.399153405533926e-08, 9.808838260537396e-05, 0.00013210570556386545]]}