{"coeffs": [-1.609722823666087e-07, -9.287015828424296e-09, -0.24727102580533888, 0.017686654476931317], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [6.01392483234572e-08, 4.103017558433762e-08, 0.07050060284404334, 0.05791638563077774], "covariance": [[3.616729188910451e-15, -6.885416519673624e-17, 1.2056759865107107e-09, -8.73652691992359e-10], [-6.885416519673623e-17, 1.6834753084815752e-15, 6.149172682243193e-10, 4.823015718439796e-10], [1.2056759865107109e-09, 6.149172682243192e-10, 0.0049703350013735334, 0.00016994509073846837], [-8.73652691992359e-10, 4.823015718439797e-10, 0.00016994509073846848, 0.0033543077245329588]]}