{"coeffs": [-1.651700459018327e-08, 1.3229925433345957e-05, 0.5279966574369137, 0.11721839900966305], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.386577114618798e-08, 6.05565107187306e-07, 0.010897621377359638, 0.003996654970659501], "covariance": [[1.1468904553259781e-15, -1.2062660128970475e-14, -2.0514341271883865e-10, -1.0064370630531307e-10], [-1.2062660128970474e-14, 3.6670909904277345e-13, 6.5636343829922875e-09, 2.2491465995405516e-09], [-2.0514341271883829e-10, 6.5636343829922875e-09, 0.00011875815168428577, 4.046874789256416e-05], [-1.0064370630531304e-10, 2.249146599540552e-09, 4.0468747892564156e-05, 1.59732509544973e-05]]}