{"coeffs": [3.9298236252658064e-07, 1.2044527520046573, 1.8573366766345676, 0.1256567403033545], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.744027568003073e-07, 3608.982039390224, 378.05295604575497, 0.013595816904006531], "covariance": [[3.2993852701979306e-13, -0.0013569449778509889, -0.00014215595924925092, -6.0868870979690646e-09], [-0.001356944978063938, 13024751.360641222, 1364386.3213084256, 47.03930604843988], [-0.00014215595926698034, 1364386.321308402, 142924.03757493352, 4.927672811241171], [-6.086887098436766e-09, 47.039306046044615, 4.927672810991807, 0.00018484623728726973]]}