{"coeffs": [4.3801160036967564e-07, 1.0728587625373471, 2.1220823308731984, 0.1590429813886121], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.1622223550397612e-06, 2492.7630678443757, 371.0851061352737, 0.021099047027329537], "covariance": [[1.3507608025541688e-12, -0.002193606192957524, -0.00032658199109927285, -2.1256384495221295e-08], [-0.002193606193447949, 6213867.712408903, 925027.2383906543, 50.74716557523359], [-0.0003265819911656488, 925027.2383906114, 137704.15599542734, 7.5547653773627435], [-2.12563844976026e-08, 50.74716557069927, 7.554765376690253, 0.00044516978546146343]]}