{"coeffs": [-2.3360197342859286e-06, 1.5518082921520293e-05, 0.39069049859670807, 0.2156827860584265], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.981993416293749e-07, 9.30834536690036e-07, 0.014288633680139176, 0.022021574694611842], "covariance": [[3.5784245232581763e-13, -4.815499770224656e-13, -3.219792501576803e-09, -1.2613244212381144e-08], [-4.815499770224643e-13, 8.664529346949539e-13, 1.0450126377716305e-08, 1.9717195822967795e-08], [-3.2197925015767726e-09, 1.0450126377716274e-08, 0.00020416505244520762, 0.00019099280170338962], [-1.2613244212381129e-08, 1.9717195822967815e-08, 0.0001909928017033906, 0.0004849497520303687]]}