{"coeffs": [-1.1906951488115284e-05, 0.0002715286864153897, 0.7975865511794458, 0.30268188608539054], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.621944364593313e-06, 7.70708835012413e-05, 0.13755919917551335, 0.03419085962931162], "covariance": [[6.874592251022631e-12, -1.854357413782694e-10, -3.3298100220855856e-07, -8.717230765557958e-08], [-1.854357413782622e-10, 5.9399210836619085e-09, 1.0597898605290986e-05, 2.586041955600128e-06], [-3.329810022085462e-07, 1.0597898605291003e-05, 0.018922533277808552, 0.004633005597932223], [-8.717230765557801e-08, 2.5860419556001755e-06, 0.0046330055979323, 0.0011690148821912913]]}