{"coeffs": [-1.983572362441987e-06, 8.868151596500099e-05, 0.4923786436194655, 0.1497945690928965], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.2208725572996287e-07, 2.0803315636280724e-06, 0.006802130437758486, 0.0037990788527755633], "covariance": [[1.0374020030365851e-13, -4.932358220847938e-13, -1.4168258703188413e-09, -1.0731714286565756e-09], [-4.932358220847927e-13, 4.327779414627221e-12, 1.3970253860155016e-08, 7.426940960216267e-09], [-1.4168258703188386e-09, 1.3970253860155013e-08, 4.626897849228045e-05, 2.3343287571865043e-05], [-1.073171428656575e-09, 7.426940960216275e-09, 2.334328757186507e-05, 1.4433000129606489e-05]]}