{"coeffs": [-4.071052738830864e-07, 4.3826138626805215e-05, 0.4306813876996839, 0.111442871000004], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1813642106186375e-07, 7.155335537597576e-07, 0.004055952968696298, 0.0024401874070713804], "covariance": [[1.3956213981305967e-14, -4.726689995474477e-14, -1.957679731174056e-10, -2.1316936103890718e-10], [-4.726689995474479e-14, 5.119882665560678e-13, 2.8084832255872664e-09, 1.5737812923673354e-09], [-1.9576797311740567e-10, 2.8084832255872664e-09, 1.6450754484276318e-05, 8.293049217222342e-06], [-2.1316936103890725e-10, 1.573781292367335e-09, 8.293049217222339e-06, 5.954514581629748e-06]]}