{"coeffs": [-3.125762493645889e-08, 0.0791799424385618, 1.3157951401581092, 0.08192711013207034], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.903158547850197e-08, 17.495135104660207, 18.191235220623096, 0.0024410668302785226], "covariance": [[8.428329553955665e-16, -2.402477953401435e-07, -2.498901594054137e-07, -4.215999748105964e-11], [-2.4024779534002353e-07, 306.0797523303139, 318.2580994388178, 0.040787992432116255], [-2.4989015940583065e-07, 318.2580994388168, 330.9210388520382, 0.042415348168861784], [-4.2159997480812216e-11, 0.04078799243200594, 0.04241534816874496, 5.958807269886034e-06]]}