{"coeffs": [-1.600977085498851e-06, 8.501144050092829e-05, 0.3753299192816679, 0.11868006165646226], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.4652948650132615e-07, 1.223594664066802e-06, 0.0037578564569973813, 0.0029230834362897005], "covariance": [[1.2008268501487279e-13, -2.5168485508940635e-13, -4.2162453535574833e-10, -7.95499689541578e-10], [-2.5168485508940625e-13, 1.49718390193275e-12, 4.254394671763205e-09, 3.1911709102319944e-09], [-4.216245353557484e-10, 4.254394671763205e-09, 1.4121485151396911e-05, 8.181453730780614e-06], [-7.95499689541578e-10, 3.1911709102319948e-09, 8.181453730780615e-06, 8.544416775511202e-06]]}