{"coeffs": [-8.346874078944871e-07, 2.224697208281631e-05, 0.5253349536884461, 0.20358843183944825], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.961991007293635e-08, 7.781710089405254e-07, 0.012722682221442745, 0.0055436910139729295], "covariance": [[6.339330080022471e-15, -5.136010517812332e-14, -8.111762409160663e-10, -4.1095954030809227e-10], [-5.13601051781234e-14, 6.055501191555152e-13, 9.874112242135314e-09, 4.148190436184983e-09], [-8.111762409160678e-10, 9.874112242135317e-09, 0.00016186664290781532, 6.719504657484379e-05], [-4.1095954030809274e-10, 4.148190436184982e-09, 6.719504657484375e-05, 3.073251005840421e-05]]}