{"coeffs": [-0.0643817637250205, 1.4445168036879457e-06, -2.298317189688241, 0.22993144485607117], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [10.312321762779073, 1.2506822870736364e-07, 36.88326519753859, 0.008102127347490249], "covariance": [[106.34398013908687, 7.776748843945374e-08, 380.35176131683875, -0.05627798331776074], [7.776748834514256e-08, 1.564206183199742e-14, 2.7314767435488236e-07, 5.821474245742339e-10], [380.35176131688456, 2.731476746761179e-07, 1360.3752516319616, -0.20157856906450647], [-0.05627798332334129, 5.82147424521625e-10, -0.20157856908442107, 6.564446755494937e-05]]}