{"coeffs": [-1.5463843365183407e-07, 4.6441113387133285e-05, 0.44849457212780813, 0.09968514130359069], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.949702010680906e-08, 7.165708264697417e-07, 0.0035408223193861407, 0.0019969513505336146], "covariance": [[9.899657010134765e-15, -3.5642860131905656e-14, -1.2900647534079522e-10, -1.349474710201546e-10], [-3.564286013190565e-14, 5.134737493475287e-13, 2.4614729359094033e-09, 1.2804011858267995e-09], [-1.2900647534079517e-10, 2.4614729359094033e-09, 1.2537422697463048e-05, 5.964695263207163e-06], [-1.3494747102015454e-10, 1.2804011858267997e-09, 5.964695263207165e-06, 3.987814696398027e-06]]}