{"coeffs": [1.963319836478753e-08, 0.24181101618840598, 1.921462940283345, 0.15642670417129742], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.303556733181363e-07, 145.18418754122996, 94.55911216710916, 0.016478343283455304], "covariance": [[3.9734827488436105e-13, -6.867599230221239e-05, -4.4740593001177997e-05, -8.948758856319853e-09], [-6.867599230857413e-05, 21078.448312007033, 13728.486862931128, 2.307133201449811], [-4.474059300527607e-05, 13728.486862930411, 8941.425693831932, 1.5028041767566058], [-8.948758856721105e-09, 2.3071332013636585, 1.502804176700582, 0.00027153579736739655]]}