{"coeffs": [-2.995898341568331e-08, 0.18741346689559046, 1.312009563228177, 0.07007108904025668], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.5635753103043675e-08, 273.2134546121686, 102.46703037212482, 0.003455489745883608], "covariance": [[6.571918371602134e-16, -2.957939514949661e-06, -1.1094691887178322e-06, -4.7498866792634676e-11], [-2.95793951401835e-06, 74645.59178111551, 27995.371217725322, 0.90288255444707], [-1.1094691883588654e-06, 27995.371217726115, 10499.492313281951, 0.33863067807150515], [-4.749886678256955e-11, 0.9028825545278468, 0.33863067810172376, 1.194040938390676e-05]]}