{"coeffs": [-3.2052834614721645e-07, 7.192890141536297e-05, 0.4035142706709786, 0.11219090794127258], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.171456536198121e-07, 3.302986868009846e-06, 0.011693607565690652, 0.008003935995911666], "covariance": [[5.142978885057875e-13, -1.332113688028094e-12, -2.986410704858029e-09, -4.3088803571514196e-09], [-1.3321136880280942e-12, 1.0909722250245494e-11, 3.664217243333811e-08, 2.3612046881457496e-08], [-2.9864107048580276e-09, 3.664217243333811e-08, 0.00013674045790037766, 7.418125589666982e-05], [-4.3088803571514196e-09, 2.3612046881457502e-08, 7.418125589666983e-05, 6.406299142665048e-05]]}