{"coeffs": [-1.8449460548263286e-06, 0.0008628735253399001, 0.9061536132503621, 0.16280747407753146], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.969604841776758e-07, 0.0002431066785109313, 0.062188377387321685, 0.005442930108941946], "covariance": [[2.4696972283410996e-13, -9.261808263496687e-11, -2.4257441756021092e-08, -2.37210928802515e-09], [-9.261808263496996e-11, 5.91008571366173e-08, 1.5104292433047883e-05, 1.2746986778182237e-06], [-2.42574417560219e-08, 1.5104292433047853e-05, 0.0038673942820679433, 0.00032958232940668783], [-2.3721092880252e-09, 1.274698677818206e-06, 0.0003295823294066839, 2.9625488170826786e-05]]}