{"coeffs": [-1.7390324974901062e-06, 4.1636174746039605e-05, 0.41270496541169643, 0.18317368472747952], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1312375397373524e-07, 4.864276498865041e-07, 0.003784188206362024, 0.0026194465540956675], "covariance": [[1.279698371311018e-14, -4.375700532315814e-14, -2.8738845862850367e-10, -2.720265247223277e-10], [-4.375700532315816e-14, 2.366118585741074e-13, 1.8019293517801334e-09, 1.2091532607145252e-09], [-2.8738845862850367e-10, 1.8019293517801334e-09, 1.4320080381169431e-05, 8.79280211197102e-06], [-2.720265247223277e-10, 1.2091532607145252e-09, 8.79280211197102e-06, 6.861500249763666e-06]]}