{"coeffs": [-9.62984264042779e-07, 5.436476651110019e-05, 0.42145516563499236, 0.12156463876026885], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.6528691571153885e-07, 1.4631709963918813e-06, 0.0070217218637853235, 0.004377914930698181], "covariance": [[7.037714764774112e-14, -2.353908761240887e-13, -8.399015877257286e-10, -9.088803309071964e-10], [-2.353908761240891e-13, 2.140869364682411e-12, 9.946341213097688e-09, 5.8227266876002905e-09], [-8.399015877257306e-10, 9.946341213097693e-09, 4.9304577932360837e-05, 2.5835874458470284e-05], [-9.088803309071972e-10, 5.822726687600286e-09, 2.5835874458470257e-05, 1.9166139140430056e-05]]}