{"coeffs": [3.1258675616030973e-07, 1.3269464283207997, 1.9226679750242275, 0.13294051918319863], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.342527028536799e-07, 3950.6408554313775, 397.4149978038002, 0.015152388556449483], "covariance": [[5.391270316479343e-13, -0.001973691060601578, -0.00019855952812502584, -8.928999768018671e-09], [-0.001973691062762808, 15607563.168603566, 1570043.918220174, 57.46761660528917], [-0.00019855952834372682, 1570043.9182199417, 157938.6804793945, 5.781135908785924], [-8.928999773023521e-09, 57.467616581676964, 5.781135906408928, 0.00022959487896562125]]}