{"coeffs": [4.746711956776172e-07, 0.2902087894744339, 1.7074852300186343, 0.13307574469632796], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.601012596920536e-07, 157.02039285388108, 72.59034532445555, 0.01410017565175828], "covariance": [[5.777539249854468e-13, -8.126378769378304e-05, -3.758089117993502e-05, -8.606020468021243e-09], [-8.126378769212053e-05, 24655.40377198715, 11398.163403372759, 2.1255054011738883], [-3.758089117897744e-05, 11398.16340337289, 5269.358234323706, 0.982746375765924], [-8.606020467905107e-09, 2.1255054011899377, 0.9827463757734428, 0.00019881495341043704]]}