{"coeffs": [-3.3941554832551666e-06, 0.29473947259561856, 2.155235398508209, 0.19859742037169925], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.2811370767817251e-06, 65.98079605515817, 44.93648065058042, 0.015344862768483595], "covariance": [[1.6413122095048237e-12, -7.05703120980015e-05, -4.807865429302196e-05, -1.814885340307419e-08], [-7.05703121042976e-05, 4353.465448072375, 2964.9442040785375, 0.9840389716669623], [-4.807865429739057e-05, 2964.9442040782474, 2019.2872932599887, 0.6702832005476379], [-1.814885340389909e-08, 0.9840389716290755, 0.6702832005218354, 0.00023546481338359402]]}