{"coeffs": [2.8230438646350374e-07, 0.5993247656911923, 1.7639800903497296, 0.12701653189625767], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.1095642777671095e-06, 1283.823670630319, 273.5902082885756, 0.022834370805377657], "covariance": [[1.2311328864968473e-12, -0.0009398280764068154, -0.00020031647509162042, -1.9864016464457878e-08], [-0.0009398280764202711, 1648203.2172707054, 351241.57739235123, 28.113362474316244], [-0.00020031647509493938, 351241.57739234896, 74851.60207138618, 5.991498002267734], [-1.986401646465942e-08, 28.113362474069984, 5.991498002216689, 0.0005214084900774834]]}