{"coeffs": [-2.2632064005977674e-06, 0.3331974452690477, 2.0960390053705376, 0.18667159887497142], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.618566298613505e-07, 61.34777861617917, 34.563749882335124, 0.00961997347560381], "covariance": [[5.804255244636949e-13, -3.8114617584691654e-05, -2.148073916608141e-05, -6.670032607231532e-09], [-3.811461758501896e-05, 3763.5499411397304, 2120.408975282246, 0.5724157683826898], [-2.1480739166222033e-05, 2120.408975282239, 1194.652805928621, 0.32254588588699706], [-6.670032607262699e-09, 0.5724157683816667, 0.32254588588640565, 9.254388967132085e-05]]}