{"coeffs": [-1.4494745897537391e-06, 6.012808106673097e-05, 0.44362291194440606, 0.13725521252547684], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.9056291913714985e-07, 2.6088387151002343e-06, 0.012068777966914615, 0.0067489390657198], "covariance": [[1.5253939380493186e-13, -6.821823011858481e-13, -2.6564706757697034e-09, -2.1842397985654838e-09], [-6.821823011858492e-13, 6.806039441405841e-12, 3.094647788857025e-08, 1.6311813660764427e-08], [-2.6564706757697088e-09, 3.094647788857026e-08, 0.0001456554016146837, 7.205941932850648e-05], [-2.1842397985654838e-09, 1.6311813660764417e-08, 7.205941932850643e-05, 4.554817851279885e-05]]}