{"coeffs": [-5.021458351569248e-07, 0.31572354273909925, 1.9810964584356758, 0.1628655616288426], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.360831221390569e-07, 126.64784568209859, 65.71825013499817, 0.011159807655464956], "covariance": [[2.87385113842359e-13, -5.203999943332562e-05, -2.7010365650886038e-05, -5.229399321006076e-09], [-5.2039999429553834e-05, 16039.67681591666, 8323.074235392502, 1.3647379158422588], [-2.7010365648948074e-05, 8323.074235392844, 4318.888400806188, 0.7082400878367218], [-5.229399320810744e-09, 1.3647379158834563, 0.7082400878578962, 0.0001245413069069742]]}