{"coeffs": [-3.284770277558698e-08, 0.1288011835443545, 1.262625976916163, 0.06617127470252805], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.339379288778346e-08, 344.74988137552623, 177.90627480482584, 0.007088716097619694], "covariance": [[1.8830212611878468e-15, -6.074430724853211e-06, -3.135046094007313e-06, -1.5891426739229827e-10], [-6.074430721719152e-06, 118852.4807084394, 61333.166745247516, 2.338904482102298], [-3.1350460924913667e-06, 61333.1667452506, 31650.64261493021, 1.2070199138109952], [-1.5891426734231364e-10, 2.338904482418575, 1.2070199139737932, 5.024989591265258e-05]]}