{"coeffs": [-4.4896343423564234e-06, 5.131691471768805e-05, 0.42147502052885977, 0.18681534557837465], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.7261084021100074e-06, 2.6106253808832353e-05, 0.1608056680199239, 0.10730703826852322], "covariance": [[3.278831743271482e-11, -1.1988856529924712e-10, -6.369810561469702e-07, -5.660607581858538e-07], [-1.1988856529924668e-10, 6.815364879311737e-10, 4.1240806635663354e-06, 2.6644202237499257e-06], [-6.369810561469668e-07, 4.124080663566331e-06, 0.02585846286733398, 0.015481394471635311], [-5.660607581858525e-07, 2.664420223749929e-06, 0.015481394471635348, 0.011514800461962309]]}