{"coeffs": [5.487095451055955e-07, 0.4719568451775503, 3.020306356490409, 0.25219470752306616], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.104936759578745e-06, 17561.625547165382, 9421.748139426223, 0.5012973045187308], "covariance": [[8.28998733959283e-11, -0.1411313786597638, -0.07572030498759055, -4.346847031486966e-06], [-0.1411313786823286, 308410691.8588518, 165461211.88929653, 8607.563588578201], [-0.07572030499929881, 165461211.88929036, 88769338.00278151, 4618.031798310236], [-4.346847031771478e-06, 8607.563587936134, 4618.0317979665115, 0.25129898751774515]]}