{"coeffs": [5.356316930844436e-08, 1.1866589347153103, 1.8715899865179217, 0.1271269081991296], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.602689946934778e-07, 3475.6340079743763, 373.80223950366843, 0.013479320671331422], "covariance": [[3.1390134641484027e-13, -0.0012860623426890064, -0.0001383261844655453, -5.924685391043242e-09], [-0.0012860623428671088, 12080031.757388027, 1299199.7692444166, 44.93228454860024], [-0.00013832618448513374, 1299199.7692443926, 139728.1142579579, 4.832582761294413], [-5.9246853915498876e-09, 44.9322845461742, 4.832582761034067, 0.00018169208576058256]]}