{"coeffs": [-4.982187094828175e-08, 1.0695391616626282e-08, -0.2686363166091141, 0.00022026807800334003], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.9010889666597703e-08, 4.0312114122024335e-08, 118660351748.86705, 8533088241.513435], "covariance": [[3.4822850992433677e-15, 3.1039553541909854e-23, -3.6167693863142914e-05, 2.600889021073462e-06], [3.1039553560484334e-23, 1.6250665449871138e-15, 3.926028932360669e-05, -1.6232028847929068e-06], [-3.6167693863142914e-05, 3.926028932360669e-05, 1.4080279077164855e+22, -1.0125392522421055e+21], [2.600889893029056e-06, -8.179226942418061e-07, -1.0125392522421055e+21, 7.281359493745485e+19]]}