{"coeffs": [-4.158267318620036e-06, 6.992913120828873e-05, 0.45892268269243947, 0.19918289500355363], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.974298544109262e-07, 3.101196089515415e-06, 0.014461121816992916, 0.010599811999146506], "covariance": [[6.358943727058311e-13, -2.0763620644745296e-12, -8.36882518290375e-09, -7.960374493917038e-09], [-2.076362064474541e-12, 9.617417185625701e-12, 4.396643192047641e-08, 3.15386205082604e-08], [-8.368825182903815e-09, 4.396643192047647e-08, 0.0002091240442059085, 0.00013791673625607236], [-7.96037449391706e-09, 3.1538620508260327e-08, 0.00013791673625607181, 0.00011235601441725024]]}