{"coeffs": [-2.8194228305925377e-06, 3.334088476804656e-05, 0.43953954173654985, 0.211570380750801], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.303209360445103e-07, 1.6925317382144694e-06, 0.01620708176502753, 0.013615817987503906], "covariance": [[2.8124029520712554e-13, -7.68585180989947e-13, -6.1580755852347505e-09, -6.863872674597335e-09], [-7.685851809899455e-13, 2.8646636848632933e-12, 2.664505922687637e-08, 2.218725073545413e-08], [-6.158075585234734e-09, 2.6645059226876352e-08, 0.0002626694993382879, 0.00019509654155684184], [-6.863872674597329e-09, 2.2187250735454153e-08, 0.00019509654155684214, 0.00018539049946883493]]}