{"coeffs": [-2.1405886953472594e-07, 5.5518537180809186e-05, 0.5845764099219835, 0.1380927323745818], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.7320288422634215e-08, 1.1088110200992067e-06, 0.005138004496041238, 0.001468520611819893], "covariance": [[1.3928039279486052e-15, -2.776032011139594e-14, -1.2793255463578855e-10, -4.4438808749576254e-11], [-2.776032011139593e-14, 1.2294618782934432e-12, 5.683713157047208e-09, 1.5378171363888612e-09], [-1.2793255463578827e-10, 5.683713157047208e-09, 2.6399090201339978e-05, 7.188094689190894e-06], [-4.443880874957628e-11, 1.5378171363888616e-09, 7.188094689190897e-06, 2.1565527873398726e-06]]}