{"coeffs": [-1.7331226525864593e-06, 0.23688413289184132, 2.118332087547839, 0.18055318800078243], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.904999959206962e-07, 107.55125140412478, 82.81882291236946, 0.015496234428052251], "covariance": [[3.486902451823423e-13, -5.107584211233795e-05, -3.93395573805895e-05, -8.255390452520469e-09], [-5.1075842118813994e-05, 11567.271678593253, 8907.26739166377, 1.614697962453944], [-3.933955738545287e-05, 8907.267391663114, 6858.957428590412, 1.2435043334046032], [-8.255390453060424e-09, 1.6146979623739215, 1.243504333343015, 0.0002401332814491519]]}