{"coeffs": [-1.3975488448763822e-07, 0.028724287421123318, 1.736438560183869, 0.14771646682229722], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [9.277353105819328e-08, 4.986746571799523, 25.870760197918365, 0.009497509787933322], "covariance": [[8.606928065005553e-15, -3.361908120921747e-07, -1.7450488216528877e-06, -7.421115354165612e-10], [-3.361908120660425e-07, 24.867641371354296, 129.01088818358153, 0.045595932546854685], [-1.7450488215193017e-06, 129.01088818359204, 669.296233218197, 0.23659718653311726], [-7.42111535387528e-10, 0.04559593254824581, 0.23659718654029718, 9.020269217188926e-05]]}