{"coeffs": [1.3668454207603425e-07, 1.0499301092766862, 1.8993776305317118, 0.13351969007916714], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.627319610568515e-07, 3339.5372938072533, 426.6764076521577, 0.020228970639140535], "covariance": [[9.26852828840371e-13, -0.00219423086512548, -0.00028037339583454076, -1.5664815929889547e-08], [-0.0021942308651251054, 11152509.336729473, 1424901.7641522663, 64.86246847761858], [-0.0002803733958343908, 1424901.764152265, 182052.75684695024, 8.287468902056697], [-1.5664815929943304e-08, 64.8624684775007, 8.287468902043903, 0.0004092112531192099]]}