{"coeffs": [2.5620830527834216e-07, 1.179383454392438, 1.8749858588799684, 0.12725222195566133], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.157505414119253e-07, 3298.5161505164792, 357.2918823267008, 0.012677835558700872], "covariance": [[2.6599862096669403e-13, -0.0011231764294332858, -0.00012167087932039561, -5.130371900975194e-09], [-0.0011231764291668906, 10880208.795218052, 1178533.0384343977, 40.099686528899596], [-0.00012167087929449014, 1178533.0384344326, 127657.48917655698, 4.3436849777191275], [-5.1303719003198225e-09, 40.0996865324255, 4.343684978099971, 0.00016072751445346024]]}