{"coeffs": [-1.1417619558358897e-07, 2.1485524681055637, 1.9816518846026163, 0.1341635959608151], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.048036323242121e-06, 32716.57887537637, 2051.481612660095, 0.05521629529227454], "covariance": [[9.290525427803349e-12, -0.06827810940289465, -0.0042816038339703625, -1.3569620952779122e-07], [-0.06827810949737927, 1070374533.3087233, 67117459.79534227, 1734.7067190806565], [-0.0042816038398251505, 67117459.795333, 4208576.807082464, 108.77659447018077], [-1.3569620962049088e-07, 1734.7067181717177, 108.77659441330331, 0.0030488392658036597]]}