{"coeffs": [-4.261404541149113e-06, 0.00012192436863092568, 0.4756041793951178, 0.18390906888691885], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1356165216694816e-06, 8.26057730214438e-06, 0.022824104453333136, 0.011738340794624116], "covariance": [[1.2896248842886923e-12, -7.463722370695057e-12, -1.9137783919156336e-08, -1.2180344533810304e-08], [-7.463722370695063e-12, 6.823713736470291e-11, 1.8729472565190312e-07, 9.242127563820563e-08], [-1.9137783919156346e-08, 1.8729472565190312e-07, 0.0005209397440966616, 0.0002493888460171401], [-1.218034453381031e-08, 9.242127563820557e-08, 0.0002493888460171399, 0.00013778864461073674]]}