{"coeffs": [-4.7591024439579216e-08, 0.01773634621360754, 1.2756218700033115, 0.08016442480417776], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.436770705626483e-08, 46.350208634990665, 209.03228953546164, 0.024166825664954063], "covariance": [[2.9558475705558288e-15, -1.12134145904028e-06, -5.058607214047338e-06, -7.413728316023822e-10], [-1.121341458909861e-06, 2148.341840507163, 9688.689795692324, 1.0693651782229117], [-5.058607213390081e-06, 9688.689795692682, 43694.49806843707, 4.823122068853005], [-7.413728315537094e-10, 1.0693651782640177, 4.823122069038761, 0.0005840354627202824]]}