{"coeffs": [-7.43954809089812e-07, 6.403348142303989e-05, 0.42489474185791326, 0.12799981881826478], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.61698255626508e-08, 4.317368577267834e-07, 0.001823724735922187, 0.0011160629469685324], "covariance": [[5.80184232624465e-15, -2.0846716619942557e-14, -6.827815398014183e-11, -6.836501118874973e-11], [-2.084671661994256e-14, 1.863967143197968e-13, 7.659591269259594e-10, 4.4123732642636517e-10], [-6.827815398014176e-11, 7.659591269259593e-10, 3.325971912414451e-06, 1.7382875740245525e-06], [-6.836501118874974e-11, 4.4123732642636517e-10, 1.7382875740245527e-06, 1.245596501596085e-06]]}