{"coeffs": [-7.813774947459121e-07, 0.24680199653039223, 1.8296225326609352, 0.14790684635758022], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.5069520566459056e-07, 28.126962029819822, 16.93308377204389, 0.003339071120839608], "covariance": [[2.270904501029325e-14, -3.082597070802946e-06, -1.8563665281328536e-06, -4.240325051588036e-10], [-3.08259707088793e-06, 791.1259930269259, 476.27615878991696, 0.09042129497010662], [-1.856366528182969e-06, 476.27615878990895, 286.7293260310561, 0.05444238606083537], [-4.240325051650362e-10, 0.09042129496912925, 0.05444238606025056, 1.1149395950025078e-05]]}