{"coeffs": [-3.5865346749470134e-06, 0.0001298700426019963, 2.4197307411355897, 0.7178740517618105], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9838541827556574e-06, 0.0006992532773327449, 4.952739409766666, 0.40943739472614094], "covariance": [[3.9356774184371165e-12, -1.3680756570160864e-09, -9.7092819658655e-06, -8.092848454283268e-07], [-1.3680756570160797e-09, 4.889551458605848e-07, 0.0034629434320767208, 0.00028533797463213664], [-9.709281965865481e-06, 0.003462943432076721, 24.529627661055862, 2.0229501416275513], [-8.092848454283268e-07, 0.00028533797463213664, 2.0229501416275513, 0.16763898020012974]]}