{"coeffs": [-3.322199794950482e-07, -1.0442819067767559e-08, -0.2980897182334488, 0.028804460725497017], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.997842443429265e-08, 1.5481058024196588e-08, 0.01733048242433246, 0.015012237543628858], "covariance": [[8.987059315625945e-16, -3.0647006039857426e-17, 2.331903466185963e-10, -1.9373522923121792e-10], [-3.0647006039857426e-17, 2.3966315754854153e-16, 5.5984117291713736e-11, 5.627707387577864e-11], [2.331903466185963e-10, 5.5984117291713736e-11, 0.00030034562106009624, -3.7291602604567794e-05], [-1.9373522923121792e-10, 5.627707387577864e-11, -3.72916026045678e-05, 0.00022536727606633984]]}