{"coeffs": [-4.612881331306473e-06, 0.00024633163125052686, 0.6949063806354732, 0.21411980924994764], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.5582232994224e-06, 0.00016441416382645762, 0.23980455011557475, 0.057620025876796696], "covariance": [[2.0777399647397226e-11, -6.314560339382108e-10, -9.298081902259811e-07, -2.4529902274495294e-07], [-6.314560339382183e-10, 2.703201726675325e-08, 3.939338849286705e-05, 9.171860878439824e-06], [-9.298081902259911e-07, 3.939338849286703e-05, 0.0575062222561332, 0.013471133541177797], [-2.4529902274495437e-07, 9.171860878439779e-06, 0.01347113354117774, 0.003320067382042721]]}