{"coeffs": [6.623787286486659e-08, 0.28388651112574254, 1.7563095863068807, 0.13840761632069487], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.19209768068963e-07, 132.23975063289387, 64.95177777249371, 0.012244873466402453], "covariance": [[3.83420736872019e-13, -5.71837535479408e-05, -2.809568874592188e-05, -6.204335121579539e-09], [-5.718375353523111e-05, 17487.35164744996, 8589.206101685551, 1.556063421848664], [-2.8095688739653496e-05, 8589.206101686637, 4218.733435807408, 0.76438114111384], [-6.204335120875546e-09, 1.5560634219805936, 0.7643811411785484, 0.00014993692620820682]]}