{"coeffs": [-3.935725308024189e-06, 5.962336447762817e-05, 0.5179462845381838, 0.22798393078969226], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.184510842824118e-07, 4.426446234552985e-06, 0.02772053319173768, 0.01634841825504664], "covariance": [[6.698621773630556e-13, -3.1673093965142005e-12, -1.8628763717700583e-08, -1.279710434200611e-08], [-3.1673093965142005e-12, 1.95934262673883e-11, 1.219429159933788e-07, 7.014229500712595e-08], [-1.8628763717700583e-08, 1.2194291599337878e-07, 0.0007684279604342304, 0.000427880613079375], [-1.2797104342006111e-08, 7.014229500712595e-08, 0.000427880613079375, 0.0002672707794419422]]}