{"coeffs": [-2.2498835514725e-08, 0.01743226543571219, 1.2738157376200367, 0.08153179198228493], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.282628493397216e-08, 25.674368786985735, 120.23868335151685, 0.016477552747695697], "covariance": [[1.8340906812457708e-15, -4.95394240377882e-07, -2.3208517535640544e-06, -4.0271329913710025e-10], [-4.953942404283718e-07, 659.1732126101473, 3087.052110738003, 0.403822019311563], [-2.3208517538134937e-06, 3087.0521107378995, 14457.340974106337, 1.8913925473109037], [-4.0271329915900213e-10, 0.4038220192994375, 1.8913925472539193, 0.000271509744553094]]}