{"coeffs": [-6.469897345296947e-06, 8.751777557023409e-05, 0.6132516822445977, 0.2717321756487564], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0162903112906333e-06, 8.422712139752079e-06, 0.0424411003689299, 0.01931217600889364], "covariance": [[1.0328459968232124e-12, -7.782151050241461e-12, -3.84744269568107e-08, -1.9044895898074123e-08], [-7.782151050241479e-12, 7.094207978912704e-11, 3.570255931754787e-07, 1.5912400259029043e-07], [-3.8474426956810814e-08, 3.5702559317547877e-07, 0.0018012470005255821, 0.0007961259262656763], [-1.9044895898074153e-08, 1.5912400259029035e-07, 0.0007961259262656758, 0.00037296014219848707]]}