{"coeffs": [-8.611315849630637e-06, 0.00017478950126220049, 0.6109456982760179, 0.25266533837803484], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7980200993747468e-06, 2.360059363633968e-05, 0.05777037290320713, 0.02113951555548938], "covariance": [[3.2328762777555746e-12, -3.7538784961712676e-11, -9.11019213169346e-08, -3.6441028601097915e-08], [-3.753878496171265e-11, 5.569880199876371e-10, 1.3623997140661593e-06, 4.857794455332701e-07], [-9.110192131693463e-08, 1.3623997140661595e-06, 0.003337415985375608, 0.0011876048460172234], [-3.64410286010979e-08, 4.857794455332701e-07, 0.0011876048460172234, 0.00044687911792077754]]}