{"coeffs": [-1.034483831674475e-07, 0.2258624235979226, 1.2588207608859154, 0.058922838155188714], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [4.373098364088294e-08, 3606.111543826067, 943.8199066155822, 0.012180345214966233], "covariance": [[1.9123989301991715e-15, -5.949712581869603e-05, -1.5572718618741522e-05, -2.558912525724661e-10], [-5.9497125912887053e-05, 13004040.466515623, 3403519.857859592, 42.12955842670553], [-1.5572718645237112e-05, 3403519.857859398, 890796.0161238464, 11.026608676021112], [-2.558912527975177e-10, 42.12955840885634, 11.026608671343547, 0.0001483608095557508]]}