{"coeffs": [-1.926336944694941e-06, 0.0003791023351238476, 0.8876742026954186, 0.1652416209838104], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.4147093248737466e-06, 0.0008922327660562759, 0.5386512782535389, 0.05270557191688418], "covariance": [[5.830821123632225e-12, -1.6643746882468034e-09, -1.028837146867157e-06, -1.1222548558971115e-07], [-1.66437468824675e-09, 7.96079308824433e-07, 0.0004801220745196154, 4.5312188477210255e-05], [-1.0288371468671289e-06, 0.00048012207451961637, 0.2901451995641714, 0.027655946539160696], [-1.1222548558970885e-07, 4.531218847721084e-05, 0.027655946539160994, 0.0027778773110858504]]}