{"coeffs": [-5.197958084602351e-06, 0.0001533384980994556, 0.43836701899025904, 0.1428299707453098], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7417477925782697e-06, 6.864687302414541e-06, 0.012263274805917317, 0.009006076728338804], "covariance": [[3.0336853729512755e-12, -8.558861306710517e-12, -1.1324375571286705e-08, -1.3663251823546837e-08], [-8.558861306710523e-12, 4.7123931759931425e-11, 8.090881367703695e-08, 5.7375859376069025e-08], [-1.132437557128673e-08, 8.090881367703699e-08, 0.0001503879089654464, 9.195746714655003e-05], [-1.3663251823546845e-08, 5.7375859376069005e-08, 9.195746714654995e-05, 8.110941803672579e-05]]}