{"coeffs": [-0.001228738433119184, 4.102784563629338e-08, -1.96270423299496, 0.1958499410658889], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [10.807860667452623, 3.038969680441278e-07, 1729.1396264223058, 0.7723417161121728], "covariance": [[116.80985220706945, -2.5437747231890603e-06, 18688.293710493494, -8.078708275608738], [-2.5437747231164382e-06, 9.235336718641362e-14, -0.0004071848246395151, 2.0506641572377733e-07], [18688.2937104929, -0.00040718482465074786, 2989923.8476638715, -1292.7833457308975], [-8.078708275528017, 2.0506641572607713e-07, -1292.7833457180243, 0.5965117264470962]]}