{"coeffs": [-1.9199068429402526e-07, 3.4697381204935636e-05, 0.7742026405178962, 0.1461794962138283], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.6718611856483328e-08, 4.070645216149128e-06, 0.02629238591687912, 0.003794463272138466], "covariance": [[7.138842195374114e-16, -7.853614393925165e-14, -5.20443821908988e-10, -8.56142504805263e-11], [-7.853614393925102e-14, 1.6570152475757784e-11, 1.068766969010648e-07, 1.4785927849944968e-08], [-5.204438219089818e-10, 1.0687669690106488e-07, 0.0006912895572021035, 9.677187322695753e-05], [-8.561425048052576e-11, 1.4785927849945039e-08, 9.677187322695792e-05, 1.4397951523607754e-05]]}