{"coeffs": [-1.920696743698476e-06, 9.935365510212081e-05, 0.37509074506322926, 0.11753222396949242], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.239786124817868e-07, 1.4930164084616924e-06, 0.003905737992475967, 0.0030409392088694793], "covariance": [[1.7975786384198115e-13, -3.722294086834405e-13, -5.225060578320666e-10, -1.006966454347586e-09], [-3.722294086834405e-13, 2.229097995935851e-12, 5.386290537346582e-09, 4.043260049413878e-09], [-5.225060578320666e-10, 5.386290537346582e-09, 1.5254789265870196e-05, 8.804943344091048e-06], [-1.006966454347586e-09, 4.043260049413879e-09, 8.804943344091048e-06, 9.247311272039734e-06]]}