{"coeffs": [-6.81020300883704e-08, 0.34996216203597474, 1.50773900648576, 0.08875593374713438], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.360922760161637e-08, 741.9740253555173, 188.8085448717486, 0.005608174038512443], "covariance": [[4.046133836074234e-15, -2.373872706695146e-05, -6.0412559139419105e-06, -2.2398647865778342e-10], [-2.373872706778973e-05, 550525.4543022697, 140091.03550758187, 3.9737539467479435], [-6.0412559142099355e-06, 140091.0355075816, 35648.66661658711, 1.0112205432962007], [-2.239864786626596e-10, 3.9737539467236727, 1.0112205432894068, 3.145161604624496e-05]]}