{"coeffs": [2.752080259850311e-07, 0.818049623600588, 1.743582410825428, 0.11934731603829946], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.807744088211347e-07, 1898.3747729905012, 278.2172379993123, 0.015281710936233211], "covariance": [[4.634537957057654e-13, -0.0008156800741377447, -0.00011955703904959554, -7.881469733507259e-09], [-0.0008156800739489466, 3603826.778726737, 528160.5801095465, 27.78399580143609], [-0.00011955703902072858, 528160.5801095694, 77404.831519966, 4.072079899458584], [-7.881469732583593e-09, 27.78399580383722, 4.072079899810364, 0.00023353068913858972]]}