{"coeffs": [-1.1145201154586716e-06, 0.42935878154768864, 2.1219673607703484, 0.16724109346789418], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.540452358614837e-07, 679.2396915259201, 265.8004488225478, 0.02440279634120071], "covariance": [[7.293932648976974e-13, -0.0004504097258138099, -0.00017627860930269183, -1.837734533362393e-08], [-0.00045040972560829635, 461366.5585442271, 180542.21081678473, 16.017673352705625], [-0.00017627860922104146, 180542.2108168113, 70649.87859426787, 6.268397580435093], [-1.837734532931012e-08, 16.0176733556701, 6.268397581596326, 0.0005954964692701188]]}