{"coeffs": [-4.8552321061927767e-08, 0.383324923328588, 1.622949422812079, 0.10100451340092259], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.638144531534274e-08, 878.2765300974141, 232.246386247222, 0.007469143296212891], "covariance": [[9.289383001074403e-15, -4.7081450176024224e-05, -1.2451011368230094e-05, -4.923692122137173e-10], [-4.708145016208041e-05, 771369.663319954, 203976.54932275545, 6.268227790513251], [-1.2451011364840756e-05, 203976.54932276122, 53938.38392489383, 1.6575825289978696], [-4.923692121380056e-10, 6.268227791090926, 1.6575825291497375, 5.578810157936197e-05]]}