{"coeffs": [-1.1802959235860288e-07, 0.36647434726703976, 1.5287906258279673, 0.08272723501062568], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [8.556564671417632e-08, 7487.087211435039, 1695.756011593095, 0.018832948914875244], "covariance": [[7.321479897615233e-15, -0.0003048674951858689, -6.905215420530731e-05, -9.643650839156959e-10], [-0.0003048674963245876, 56056474.9116341, 12696273.139672566, 134.6430981125274], [-6.905215447995814e-05, 12696273.139670799, 2875588.4508541212, 30.495762031068768], [-9.643650858980356e-10, 134.64309795277455, 30.49576199486396, 0.0003546799648303006]]}