{"coeffs": [-1.0749848466815923e-06, -4.1579442070654664e-08, -0.23022532407409219, 0.07781860914968419], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.0620957424885093e-08, 2.0427736480062634e-08, 0.01145658538854511, 0.010148489673169994], "covariance": [[1.6500621821143273e-15, -2.1986505565462625e-16, 3.1378705393426037e-10, -2.885457408903783e-10], [-2.1986505565462628e-16, 4.172924176988817e-16, 4.5582646501249746e-11, 1.0638200522928582e-10], [3.1378705393426037e-10, 4.558264650124975e-11, 0.00013125334876502528, -3.968964412729649e-05], [-2.885457408903783e-10, 1.0638200522928582e-10, -3.968964412729649e-05, 0.00010299184264643802]]}