{"coeffs": [1.1185157172681475e-07, 6.293390731907636e-06, 0.5683758590484913, 0.1159378694263783], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.452192300831133e-08, 4.5084035374026645e-07, 0.01785161910702088, 0.008351112990219033], "covariance": [[1.982201628358002e-15, -1.2397803705647686e-14, -4.344656884726266e-10, -2.8860397475599727e-10], [-1.2397803705647699e-14, 2.0325702456064856e-13, 7.961670216979261e-09, 3.4864260593595696e-09], [-4.344656884726269e-10, 7.961670216979261e-09, 0.000318680304742153, 0.0001350834011273613], [-2.886039747559975e-10, 3.486426059359568e-09, 0.00013508340112736123, 6.974108817540508e-05]]}