{"coeffs": [-4.026470318308406e-06, 7.419862108612747e-05, 0.4490951888677456, 0.20127417315253965], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.516433114946193e-07, 1.9668724991823573e-06, 0.008619975368430819, 0.006696473586469573], "covariance": [[3.043103431167496e-13, -9.14264728148225e-13, -3.3992086020492703e-09, -3.4861926490831327e-09], [-9.14264728148225e-13, 3.868587428039853e-12, 1.6549849883521182e-08, 1.264075474438775e-08], [-3.3992086020492708e-09, 1.6549849883521182e-08, 7.430397535235404e-05, 5.141124138761701e-05], [-3.4861926490831335e-09, 1.264075474438775e-08, 5.141124138761701e-05, 4.484275849428466e-05]]}