{"coeffs": [-9.606293482253344e-07, 0.0003551455428848863, 0.8079686972142737, 0.1595504445638452], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.163400942013752e-07, 5.3683409170580495e-05, 0.03629941165491756, 0.004909786972979247], "covariance": [[1.0007105519933494e-13, -1.2887476548665695e-11, -8.927599653996867e-09, -1.3559549881978604e-09], [-1.2887476548665792e-11, 2.881908420175966e-09, 1.9462532698140847e-06, 2.53291721547772e-07], [-8.927599653996888e-09, 1.946253269814083e-06, 0.0013176472864931648, 0.00017335237594024523], [-1.3559549881978625e-09, 2.5329172154777076e-07, 0.00017335237594024455, 2.410600812003672e-05]]}