{"coeffs": [-1.7883291296923346e-07, 0.7986902421079669, 1.898082072624658, 0.13444672662111962], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.190219981172406e-07, 2420.8254338890447, 409.44784103535466, 0.020977847958793084], "covariance": [[6.707970333999573e-13, -0.0013589235339744057, -0.00022986616657033832, -1.3865155961082266e-08], [-0.0013589235350385076, 5860395.781364081, 991201.7381896675, 48.76497083474723], [-0.00022986616674704763, 991201.7381895306, 167647.53452851306, 8.248221172904803], [-1.38651559664067e-08, 48.764970820384896, 8.248221170480077, 0.0004400701049822392]]}