{"coeffs": [-1.578902308335478e-07, 3.868542150985725e-05, 0.5212156002430152, 0.13292103524398885], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.9835225607776016e-08, 7.56633190352816e-07, 0.005190668584038507, 0.0019905433127215986], "covariance": [[2.483549711377934e-15, -2.460137937682432e-14, -1.600334516616398e-10, -7.958898913818796e-11], [-2.4601379376824347e-14, 5.724937847434807e-13, 3.908182555619438e-09, 1.4090855726862377e-09], [-1.600334516616403e-10, 3.90818255561944e-09, 2.6943040349324318e-05, 9.63312401544135e-06], [-7.958898913818805e-11, 1.4090855726862372e-09, 9.633124015441343e-06, 3.962262679820677e-06]]}