{"coeffs": [2.0211687309659275e-07, 1.229320751420132, 1.5728665971468647, 0.09452214707249733], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.678396924272864e-07, 3481.9539773531615, 268.71557255901007, 0.007400190856787269], "covariance": [[7.173810083954338e-14, -0.0004924359404804412, -3.800607785374669e-05, -1.2977649678967515e-09], [-0.0004924359407337654, 12124003.5004055, 935655.2534342979, 24.609576119551956], [-3.800607787270628e-05, 935655.2534342565, 72208.05893571662, 1.899262964691381], [-1.2977649682369852e-09, 24.609576115468986, 1.8992629643791499, 5.4762824716877894e-05]]}