{"coeffs": [2.869056199365033e-07, 0.000290381051231713, 1.009535928664237, 0.1542706659972974], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8560462368826153e-07, 0.0004281386319231765, 0.2753230403785134, 0.012656008142276246], "covariance": [[3.4449076334461174e-14, -5.91869802894169e-11, -3.88153026926101e-08, -2.0164986755404337e-09], [-5.918698028940964e-11, 1.833026881450492e-07, 0.00011781561656716467, 5.216902101827422e-06], [-3.8815302692605173e-08, 0.00011781561656716536, 0.07580277656326852, 0.0033829335106369857], [-2.016498675540298e-09, 5.216902101827696e-06, 0.0033829335106371422, 0.00016017454209736262]]}