{"coeffs": [-5.547364547975047e-09, 0.2401723732233866, 1.3939983249890062, 0.07707970337018236], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.863317756914952e-08, 399.1369694522092, 128.48342974702697, 0.003664576455444021], "covariance": [[8.198588577064473e-16, -5.166495725851755e-06, -1.663253447845373e-06, -5.992521830388168e-11], [-5.166495727916879e-06, 159310.3203834938, 51282.48658827223, 1.3974687187662016], [-1.6632534484148222e-06, 51282.48658827067, 16507.991719559217, 0.44986133811923806], [-5.992521831569941e-11, 1.3974687186115164, 0.44986133806959044, 1.3429120597794666e-05]]}