{"coeffs": [-1.68018758280603e-06, 6.088327597834539e-05, 0.4535075007918562, 0.1720039588958487], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.6650951866951634e-06, 1.3551913378938716e-05, 0.07094324887716878, 0.03449037394163312], "covariance": [[2.772541980755401e-12, -1.785650031962377e-11, -8.764812509487258e-08, -5.227016957517848e-08], [-1.7856500319623735e-11, 1.8365435623025815e-10, 9.56177424715672e-07, 4.4548267209894657e-07], [-8.764812509487245e-08, 9.561774247156718e-07, 0.00503294456124791, 0.002288643474583389], [-5.227016957517844e-08, 4.454826720989469e-07, 0.0022886434745833907, 0.001189585894633685]]}