{"coeffs": [-2.313330518945502e-06, 4.133969140755071e-05, 0.4630630882201418, 0.19822163753995], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.228904569925384e-07, 1.3034096282751003e-06, 0.010339825515878079, 0.007397379813021672], "covariance": [[1.042582472168503e-13, -3.527420552409667e-13, -2.4357759812460755e-09, -2.2472245728897616e-09], [-3.527420552409667e-13, 1.6988766590802348e-12, 1.3233102329531188e-08, 9.249059633022105e-09], [-2.435775981246074e-09, 1.3233102329531185e-08, 0.00010691199169880338, 6.907801062337848e-05], [-2.247224572889762e-09, 9.249059633022105e-09, 6.907801062337851e-05, 5.472122809810055e-05]]}